225528040

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{11299}}^1$

素因数の和:11809

約数の個数: 32

約数和(自身を含む): 508500000

約数和(自身を除く): 282971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 11299, 19960, 22598, 45196, 56495, 90392, 112990, 225980, 451960, 5638201, 11276402, 22552804, 28191005, 45105608, 56382010, 112764020, 225528040]

約数ペア:

[(1, 225528040), (2, 112764020), (4, 56382010), (5, 45105608), (8, 28191005), (10, 22552804), (20, 11276402), (40, 5638201), (499, 451960), (998, 225980), (1996, 112990), (2495, 90392), (3992, 56495), (4990, 45196), (9980, 22598), (11299, 19960)]