1330402000

素因数分解:

$2^4\times 5^3\times {\mathrm{665201}}^1$

素因数の和:665224

約数の個数: 40

約数和(自身を含む): 3216916872

約数和(自身を除く): 1886514872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 665201, 1330402, 2660804, 3326005, 5321608, 6652010, 10643216, 13304020, 16630025, 26608040, 33260050, 53216080, 66520100, 83150125, 133040200, 166300250, 266080400, 332600500, 665201000, 1330402000]

約数ペア:

[(1, 1330402000), (2, 665201000), (4, 332600500), (5, 266080400), (8, 166300250), (10, 133040200), (16, 83150125), (20, 66520100), (25, 53216080), (40, 33260050), (50, 26608040), (80, 16630025), (100, 13304020), (125, 10643216), (200, 6652010), (250, 5321608), (400, 3326005), (500, 2660804), (1000, 1330402), (2000, 665201)]