64971460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{44501}}^1$

素因数の和:44583

約数の個数: 24

約数和(自身を含む): 138312216

約数和(自身を除く): 73340756

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 44501, 89002, 178004, 222505, 445010, 890020, 3248573, 6497146, 12994292, 16242865, 32485730, 64971460]

約数ペア:

[(1, 64971460), (2, 32485730), (4, 16242865), (5, 12994292), (10, 6497146), (20, 3248573), (73, 890020), (146, 445010), (292, 222505), (365, 178004), (730, 89002), (1460, 44501)]