80622220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5591}}^1$

素因数の和:5710

約数の個数: 48

約数和(自身を含む): 195406848

約数和(自身を除く): 114784628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 5591, 7210, 11182, 14420, 22364, 27955, 39137, 55910, 78274, 111820, 156548, 195685, 391370, 575873, 782740, 1151746, 2303492, 2879365, 4031111, 5758730, 8062222, 11517460, 16124444, 20155555, 40311110, 80622220]

約数ペア:

[(1, 80622220), (2, 40311110), (4, 20155555), (5, 16124444), (7, 11517460), (10, 8062222), (14, 5758730), (20, 4031111), (28, 2879365), (35, 2303492), (70, 1151746), (103, 782740), (140, 575873), (206, 391370), (412, 195685), (515, 156548), (721, 111820), (1030, 78274), (1442, 55910), (2060, 39137), (2884, 27955), (3605, 22364), (5591, 14420), (7210, 11182)]