79690780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306503}}^1$

素因数の和:306525

約数の個数: 24

約数和(自身を含む): 180224352

約数和(自身を除く): 100533572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306503, 613006, 1226012, 1532515, 3065030, 3984539, 6130060, 7969078, 15938156, 19922695, 39845390, 79690780]

約数ペア:

[(1, 79690780), (2, 39845390), (4, 19922695), (5, 15938156), (10, 7969078), (13, 6130060), (20, 3984539), (26, 3065030), (52, 1532515), (65, 1226012), (130, 613006), (260, 306503)]