2020804600

素因数分解:

$2^3\times 5^2\times {\mathrm{2179}}^1\times {\mathrm{4637}}^1$

素因数の和:6832

約数の個数: 48

約数和(自身を含む): 4701540600

約数和(自身を除く): 2680736000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2179, 4358, 4637, 8716, 9274, 10895, 17432, 18548, 21790, 23185, 37096, 43580, 46370, 54475, 87160, 92740, 108950, 115925, 185480, 217900, 231850, 435800, 463700, 927400, 10104023, 20208046, 40416092, 50520115, 80832184, 101040230, 202080460, 252600575, 404160920, 505201150, 1010402300, 2020804600]

約数ペア:

[(1, 2020804600), (2, 1010402300), (4, 505201150), (5, 404160920), (8, 252600575), (10, 202080460), (20, 101040230), (25, 80832184), (40, 50520115), (50, 40416092), (100, 20208046), (200, 10104023), (2179, 927400), (4358, 463700), (4637, 435800), (8716, 231850), (9274, 217900), (10895, 185480), (17432, 115925), (18548, 108950), (21790, 92740), (23185, 87160), (37096, 54475), (43580, 46370)]