61641640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49711}}^1$

素因数の和:49753

約数の個数: 32

約数和(自身を含む): 143170560

約数和(自身を除く): 81528920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49711, 99422, 198844, 248555, 397688, 497110, 994220, 1541041, 1988440, 3082082, 6164164, 7705205, 12328328, 15410410, 30820820, 61641640]

約数ペア:

[(1, 61641640), (2, 30820820), (4, 15410410), (5, 12328328), (8, 7705205), (10, 6164164), (20, 3082082), (31, 1988440), (40, 1541041), (62, 994220), (124, 497110), (155, 397688), (248, 248555), (310, 198844), (620, 99422), (1240, 49711)]