78896283640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12100657}}^1$

素因数の和:12100831

約数の個数: 32

約数和(自身を含む): 178605712080

約数和(自身を除く): 99709428440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12100657, 24201314, 48402628, 60503285, 96805256, 121006570, 242013140, 484026280, 1972407091, 3944814182, 7889628364, 9862035455, 15779256728, 19724070910, 39448141820, 78896283640]

約数ペア:

[(1, 78896283640), (2, 39448141820), (4, 19724070910), (5, 15779256728), (8, 9862035455), (10, 7889628364), (20, 3944814182), (40, 1972407091), (163, 484026280), (326, 242013140), (652, 121006570), (815, 96805256), (1304, 60503285), (1630, 48402628), (3260, 24201314), (6520, 12100657)]