78168880

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8647}}^1$

素因数の和:8773

約数の個数: 40

約数和(自身を含む): 183372192

約数和(自身を除く): 105203312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8647, 9040, 17294, 34588, 43235, 69176, 86470, 138352, 172940, 345880, 691760, 977111, 1954222, 3908444, 4885555, 7816888, 9771110, 15633776, 19542220, 39084440, 78168880]

約数ペア:

[(1, 78168880), (2, 39084440), (4, 19542220), (5, 15633776), (8, 9771110), (10, 7816888), (16, 4885555), (20, 3908444), (40, 1954222), (80, 977111), (113, 691760), (226, 345880), (452, 172940), (565, 138352), (904, 86470), (1130, 69176), (1808, 43235), (2260, 34588), (4520, 17294), (8647, 9040)]