9995080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3163}}^1$

素因数の和:3253

約数の個数: 32

約数和(自身を含む): 22780800

約数和(自身を除く): 12785720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 3163, 6326, 12652, 15815, 25304, 31630, 63260, 126520, 249877, 499754, 999508, 1249385, 1999016, 2498770, 4997540, 9995080]

約数ペア:

[(1, 9995080), (2, 4997540), (4, 2498770), (5, 1999016), (8, 1249385), (10, 999508), (20, 499754), (40, 249877), (79, 126520), (158, 63260), (316, 31630), (395, 25304), (632, 15815), (790, 12652), (1580, 6326), (3160, 3163)]