61727980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15667}}^1$

素因数の和:15873

約数の個数: 24

約数和(自身を含む): 130295088

約数和(自身を除く): 68567108

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 15667, 31334, 62668, 78335, 156670, 313340, 3086399, 6172798, 12345596, 15431995, 30863990, 61727980]

約数ペア:

[(1, 61727980), (2, 30863990), (4, 15431995), (5, 12345596), (10, 6172798), (20, 3086399), (197, 313340), (394, 156670), (788, 78335), (985, 62668), (1970, 31334), (3940, 15667)]