25858820

素因数分解:

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

素因数の和:660

約数の個数: 48

約数和(自身を含む): 58856448

約数和(自身を除く): 32997628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 367, 542, 734, 1084, 1355, 1468, 1835, 2710, 3523, 3670, 4771, 5420, 7046, 7340, 9542, 14092, 17615, 19084, 23855, 35230, 47710, 70460, 95420, 99457, 198914, 397828, 497285, 994570, 1292941, 1989140, 2585882, 5171764, 6464705, 12929410, 25858820]

約数ペア:

[(1, 25858820), (2, 12929410), (4, 6464705), (5, 5171764), (10, 2585882), (13, 1989140), (20, 1292941), (26, 994570), (52, 497285), (65, 397828), (130, 198914), (260, 99457), (271, 95420), (367, 70460), (542, 47710), (734, 35230), (1084, 23855), (1355, 19084), (1468, 17615), (1835, 14092), (2710, 9542), (3523, 7340), (3670, 7046), (4771, 5420)]