78830120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67957}}^1$

素因数の和:67997

約数の個数: 32

約数和(自身を含む): 183486600

約数和(自身を除く): 104656480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67957, 135914, 271828, 339785, 543656, 679570, 1359140, 1970753, 2718280, 3941506, 7883012, 9853765, 15766024, 19707530, 39415060, 78830120]

約数ペア:

[(1, 78830120), (2, 39415060), (4, 19707530), (5, 15766024), (8, 9853765), (10, 7883012), (20, 3941506), (29, 2718280), (40, 1970753), (58, 1359140), (116, 679570), (145, 543656), (232, 339785), (290, 271828), (580, 135914), (1160, 67957)]