78834440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115933}}^1$

素因数の和:115961

約数の個数: 32

約数和(自身を含む): 187813080

約数和(自身を除く): 108978640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115933, 231866, 463732, 579665, 927464, 1159330, 1970861, 2318660, 3941722, 4637320, 7883444, 9854305, 15766888, 19708610, 39417220, 78834440]

約数ペア:

[(1, 78834440), (2, 39417220), (4, 19708610), (5, 15766888), (8, 9854305), (10, 7883444), (17, 4637320), (20, 3941722), (34, 2318660), (40, 1970861), (68, 1159330), (85, 927464), (136, 579665), (170, 463732), (340, 231866), (680, 115933)]