77090180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{124339}}^1$

素因数の和:124379

約数の個数: 24

約数和(自身を含む): 167112960

約数和(自身を除く): 90022780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 124339, 248678, 497356, 621695, 1243390, 2486780, 3854509, 7709018, 15418036, 19272545, 38545090, 77090180]

約数ペア:

[(1, 77090180), (2, 38545090), (4, 19272545), (5, 15418036), (10, 7709018), (20, 3854509), (31, 2486780), (62, 1243390), (124, 621695), (155, 497356), (310, 248678), (620, 124339)]