139917640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47917}}^1$

素因数の和:48001

約数の個数: 32

約数和(自身を含む): 319133880

約数和(自身を除く): 179216240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 47917, 95834, 191668, 239585, 383336, 479170, 958340, 1916680, 3497941, 6995882, 13991764, 17489705, 27983528, 34979410, 69958820, 139917640]

約数ペア:

[(1, 139917640), (2, 69958820), (4, 34979410), (5, 27983528), (8, 17489705), (10, 13991764), (20, 6995882), (40, 3497941), (73, 1916680), (146, 958340), (292, 479170), (365, 383336), (584, 239585), (730, 191668), (1460, 95834), (2920, 47917)]