40458520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8951}}^1$

素因数の和:9075

約数の個数: 32

約数和(自身を含む): 91847520

約数和(自身を除く): 51389000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 8951, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 1011463, 2022926, 4045852, 5057315, 8091704, 10114630, 20229260, 40458520]

約数ペア:

[(1, 40458520), (2, 20229260), (4, 10114630), (5, 8091704), (8, 5057315), (10, 4045852), (20, 2022926), (40, 1011463), (113, 358040), (226, 179020), (452, 89510), (565, 71608), (904, 44755), (1130, 35804), (2260, 17902), (4520, 8951)]