25540520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3343}}^1$

素因数の和:3545

約数の個数: 32

約数和(自身を含む): 57784320

約数和(自身を除く): 32243800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3343, 3820, 6686, 7640, 13372, 16715, 26744, 33430, 66860, 133720, 638513, 1277026, 2554052, 3192565, 5108104, 6385130, 12770260, 25540520]

約数ペア:

[(1, 25540520), (2, 12770260), (4, 6385130), (5, 5108104), (8, 3192565), (10, 2554052), (20, 1277026), (40, 638513), (191, 133720), (382, 66860), (764, 33430), (955, 26744), (1528, 16715), (1910, 13372), (3343, 7640), (3820, 6686)]