67604080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20611}}^1$

素因数の和:20665

約数の個数: 40

約数和(自身を含む): 161020944

約数和(自身を除く): 93416864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20611, 41222, 82444, 103055, 164888, 206110, 329776, 412220, 824440, 845051, 1648880, 1690102, 3380204, 4225255, 6760408, 8450510, 13520816, 16901020, 33802040, 67604080]

約数ペア:

[(1, 67604080), (2, 33802040), (4, 16901020), (5, 13520816), (8, 8450510), (10, 6760408), (16, 4225255), (20, 3380204), (40, 1690102), (41, 1648880), (80, 845051), (82, 824440), (164, 412220), (205, 329776), (328, 206110), (410, 164888), (656, 103055), (820, 82444), (1640, 41222), (3280, 20611)]