56390320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 151472448

約数和(自身を除く): 95082128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 997, 1010, 1414, 1616, 1994, 2020, 2828, 3535, 3988, 4040, 4985, 5656, 6979, 7070, 7976, 8080, 9970, 11312, 13958, 14140, 15952, 19940, 27916, 28280, 34895, 39880, 55832, 56560, 69790, 79760, 100697, 111664, 139580, 201394, 279160, 402788, 503485, 558320, 704879, 805576, 1006970, 1409758, 1611152, 2013940, 2819516, 3524395, 4027880, 5639032, 7048790, 8055760, 11278064, 14097580, 28195160, 56390320]

約数ペア:

[(1, 56390320), (2, 28195160), (4, 14097580), (5, 11278064), (7, 8055760), (8, 7048790), (10, 5639032), (14, 4027880), (16, 3524395), (20, 2819516), (28, 2013940), (35, 1611152), (40, 1409758), (56, 1006970), (70, 805576), (80, 704879), (101, 558320), (112, 503485), (140, 402788), (202, 279160), (280, 201394), (404, 139580), (505, 111664), (560, 100697), (707, 79760), (808, 69790), (997, 56560), (1010, 55832), (1414, 39880), (1616, 34895), (1994, 28280), (2020, 27916), (2828, 19940), (3535, 15952), (3988, 14140), (4040, 13958), (4985, 11312), (5656, 9970), (6979, 8080), (7070, 7976)]