56115280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:788

約数の個数: 80

約数和(自身を含む): 142490880

約数和(自身を除く): 86375600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 683, 790, 1027, 1040, 1264, 1366, 1580, 2054, 2732, 3160, 3415, 4108, 5135, 5464, 6320, 6830, 8216, 8879, 10270, 10928, 13660, 16432, 17758, 20540, 27320, 35516, 41080, 44395, 53957, 54640, 71032, 82160, 88790, 107914, 142064, 177580, 215828, 269785, 355160, 431656, 539570, 701441, 710320, 863312, 1079140, 1402882, 2158280, 2805764, 3507205, 4316560, 5611528, 7014410, 11223056, 14028820, 28057640, 56115280]

約数ペア:

[(1, 56115280), (2, 28057640), (4, 14028820), (5, 11223056), (8, 7014410), (10, 5611528), (13, 4316560), (16, 3507205), (20, 2805764), (26, 2158280), (40, 1402882), (52, 1079140), (65, 863312), (79, 710320), (80, 701441), (104, 539570), (130, 431656), (158, 355160), (208, 269785), (260, 215828), (316, 177580), (395, 142064), (520, 107914), (632, 88790), (683, 82160), (790, 71032), (1027, 54640), (1040, 53957), (1264, 44395), (1366, 41080), (1580, 35516), (2054, 27320), (2732, 20540), (3160, 17758), (3415, 16432), (4108, 13660), (5135, 10928), (5464, 10270), (6320, 8879), (6830, 8216)]