798680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 1844640

約数和(自身を除く): 1045960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 487, 820, 974, 1640, 1948, 2435, 3896, 4870, 9740, 19480, 19967, 39934, 79868, 99835, 159736, 199670, 399340, 798680]

約数ペア:

[(1, 798680), (2, 399340), (4, 199670), (5, 159736), (8, 99835), (10, 79868), (20, 39934), (40, 19967), (41, 19480), (82, 9740), (164, 4870), (205, 3896), (328, 2435), (410, 1948), (487, 1640), (820, 974)]