63973960

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1637}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 144176760

約数和(自身を除く): 80202800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1637, 1954, 3274, 3908, 4885, 6548, 7816, 8185, 9770, 13096, 16370, 19540, 32740, 39080, 65480, 1599349, 3198698, 6397396, 7996745, 12794792, 15993490, 31986980, 63973960]

約数ペア:

[(1, 63973960), (2, 31986980), (4, 15993490), (5, 12794792), (8, 7996745), (10, 6397396), (20, 3198698), (40, 1599349), (977, 65480), (1637, 39080), (1954, 32740), (3274, 19540), (3908, 16370), (4885, 13096), (6548, 9770), (7816, 8185)]