20140393840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4211

約数の個数: 160

約数和(自身を含む): 54666679680

約数和(自身を除く): 34526285840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 101, 112, 140, 178, 202, 280, 356, 404, 445, 505, 560, 623, 707, 712, 808, 890, 1010, 1246, 1414, 1424, 1616, 1780, 2020, 2492, 2828, 3115, 3535, 3560, 4001, 4040, 4984, 5656, 6230, 7070, 7120, 8002, 8080, 8989, 9968, 11312, 12460, 14140, 16004, 17978, 20005, 24920, 28007, 28280, 32008, 35956, 40010, 44945, 49840, 56014, 56560, 62923, 64016, 71912, 80020, 89890, 112028, 125846, 140035, 143824, 160040, 179780, 224056, 251692, 280070, 314615, 320080, 356089, 359560, 404101, 448112, 503384, 560140, 629230, 712178, 719120, 808202, 1006768, 1120280, 1258460, 1424356, 1616404, 1780445, 2020505, 2240560, 2492623, 2516920, 2828707, 2848712, 3232808, 3560890, 4041010, 4985246, 5033840, 5657414, 5697424, 6465616, 7121780, 8082020, 9970492, 11314828, 12463115, 14143535, 14243560, 16164040, 19940984, 22629656, 24926230, 28287070, 28487120, 32328080, 35964989, 39881968, 45259312, 49852460, 56574140, 71929978, 99704920, 113148280, 143859956, 179824945, 199409840, 226296560, 251754923, 287719912, 359649890, 503509846, 575439824, 719299780, 1007019692, 1258774615, 1438599560, 2014039384, 2517549230, 2877199120, 4028078768, 5035098460, 10070196920, 20140393840]

約数ペア:

[(1, 20140393840), (2, 10070196920), (4, 5035098460), (5, 4028078768), (7, 2877199120), (8, 2517549230), (10, 2014039384), (14, 1438599560), (16, 1258774615), (20, 1007019692), (28, 719299780), (35, 575439824), (40, 503509846), (56, 359649890), (70, 287719912), (80, 251754923), (89, 226296560), (101, 199409840), (112, 179824945), (140, 143859956), (178, 113148280), (202, 99704920), (280, 71929978), (356, 56574140), (404, 49852460), (445, 45259312), (505, 39881968), (560, 35964989), (623, 32328080), (707, 28487120), (712, 28287070), (808, 24926230), (890, 22629656), (1010, 19940984), (1246, 16164040), (1414, 14243560), (1424, 14143535), (1616, 12463115), (1780, 11314828), (2020, 9970492), (2492, 8082020), (2828, 7121780), (3115, 6465616), (3535, 5697424), (3560, 5657414), (4001, 5033840), (4040, 4985246), (4984, 4041010), (5656, 3560890), (6230, 3232808), (7070, 2848712), (7120, 2828707), (8002, 2516920), (8080, 2492623), (8989, 2240560), (9968, 2020505), (11312, 1780445), (12460, 1616404), (14140, 1424356), (16004, 1258460), (17978, 1120280), (20005, 1006768), (24920, 808202), (28007, 719120), (28280, 712178), (32008, 629230), (35956, 560140), (40010, 503384), (44945, 448112), (49840, 404101), (56014, 359560), (56560, 356089), (62923, 320080), (64016, 314615), (71912, 280070), (80020, 251692), (89890, 224056), (112028, 179780), (125846, 160040), (140035, 143824)]