65748920

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4337}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 148359600

約数和(自身を除く): 82610680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 4337, 7580, 8674, 15160, 17348, 21685, 34696, 43370, 86740, 173480, 1643723, 3287446, 6574892, 8218615, 13149784, 16437230, 32874460, 65748920]

約数ペア:

[(1, 65748920), (2, 32874460), (4, 16437230), (5, 13149784), (8, 8218615), (10, 6574892), (20, 3287446), (40, 1643723), (379, 173480), (758, 86740), (1516, 43370), (1895, 34696), (3032, 21685), (3790, 17348), (4337, 15160), (7580, 8674)]