25126040

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1399}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 56700000

約数和(自身を除く): 31573960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1399, 1796, 2245, 2798, 3592, 4490, 5596, 6995, 8980, 11192, 13990, 17960, 27980, 55960, 628151, 1256302, 2512604, 3140755, 5025208, 6281510, 12563020, 25126040]

約数ペア:

[(1, 25126040), (2, 12563020), (4, 6281510), (5, 5025208), (8, 3140755), (10, 2512604), (20, 1256302), (40, 628151), (449, 55960), (898, 27980), (1399, 17960), (1796, 13990), (2245, 11192), (2798, 8980), (3592, 6995), (4490, 5596)]