20161330280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{791261}}^1$

素因数の和:791299

約数の個数: 96

約数和(自身を含む): 56828436840

約数和(自身を除く): 36667106560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 12740, 25480, 791261, 1582522, 3165044, 3956305, 5538827, 6330088, 7912610, 10286393, 11077654, 15825220, 20572786, 22155308, 27694135, 31650440, 38771789, 41145572, 44310616, 51431965, 55388270, 72004751, 77543578, 82291144, 102863930, 110776540, 144009502, 155087156, 193858945, 205727860, 221553080, 288019004, 310174312, 360023755, 387717890, 411455720, 504033257, 576038008, 720047510, 775435780, 1008066514, 1440095020, 1550871560, 2016133028, 2520166285, 2880190040, 4032266056, 5040332570, 10080665140, 20161330280]

約数ペア:

[(1, 20161330280), (2, 10080665140), (4, 5040332570), (5, 4032266056), (7, 2880190040), (8, 2520166285), (10, 2016133028), (13, 1550871560), (14, 1440095020), (20, 1008066514), (26, 775435780), (28, 720047510), (35, 576038008), (40, 504033257), (49, 411455720), (52, 387717890), (56, 360023755), (65, 310174312), (70, 288019004), (91, 221553080), (98, 205727860), (104, 193858945), (130, 155087156), (140, 144009502), (182, 110776540), (196, 102863930), (245, 82291144), (260, 77543578), (280, 72004751), (364, 55388270), (392, 51431965), (455, 44310616), (490, 41145572), (520, 38771789), (637, 31650440), (728, 27694135), (910, 22155308), (980, 20572786), (1274, 15825220), (1820, 11077654), (1960, 10286393), (2548, 7912610), (3185, 6330088), (3640, 5538827), (5096, 3956305), (6370, 3165044), (12740, 1582522), (25480, 791261)]