51717640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 126120960

約数和(自身を除く): 74403320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 367, 520, 542, 734, 1084, 1355, 1468, 1835, 2168, 2710, 2936, 3523, 3670, 4771, 5420, 7046, 7340, 9542, 10840, 14092, 14680, 17615, 19084, 23855, 28184, 35230, 38168, 47710, 70460, 95420, 99457, 140920, 190840, 198914, 397828, 497285, 795656, 994570, 1292941, 1989140, 2585882, 3978280, 5171764, 6464705, 10343528, 12929410, 25858820, 51717640]

約数ペア:

[(1, 51717640), (2, 25858820), (4, 12929410), (5, 10343528), (8, 6464705), (10, 5171764), (13, 3978280), (20, 2585882), (26, 1989140), (40, 1292941), (52, 994570), (65, 795656), (104, 497285), (130, 397828), (260, 198914), (271, 190840), (367, 140920), (520, 99457), (542, 95420), (734, 70460), (1084, 47710), (1355, 38168), (1468, 35230), (1835, 28184), (2168, 23855), (2710, 19084), (2936, 17615), (3523, 14680), (3670, 14092), (4771, 10840), (5420, 9542), (7046, 7340)]