3216440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 7292160

約数和(自身を除く): 4075720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 421, 764, 842, 955, 1528, 1684, 1910, 2105, 3368, 3820, 4210, 7640, 8420, 16840, 80411, 160822, 321644, 402055, 643288, 804110, 1608220, 3216440]

約数ペア:

[(1, 3216440), (2, 1608220), (4, 804110), (5, 643288), (8, 402055), (10, 321644), (20, 160822), (40, 80411), (191, 16840), (382, 8420), (421, 7640), (764, 4210), (842, 3820), (955, 3368), (1528, 2105), (1684, 1910)]