61509880

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2437}}^1$

素因数の和:3079

約数の個数: 32

約数和(自身を含む): 138673440

約数和(自身を除く): 77163560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2437, 2524, 3155, 4874, 5048, 6310, 9748, 12185, 12620, 19496, 24370, 25240, 48740, 97480, 1537747, 3075494, 6150988, 7688735, 12301976, 15377470, 30754940, 61509880]

約数ペア:

[(1, 61509880), (2, 30754940), (4, 15377470), (5, 12301976), (8, 7688735), (10, 6150988), (20, 3075494), (40, 1537747), (631, 97480), (1262, 48740), (2437, 25240), (2524, 24370), (3155, 19496), (4874, 12620), (5048, 12185), (6310, 9748)]