7868080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8941}}^1$

素因数の和:8965

約数の個数: 40

約数和(自身を含む): 19958544

約数和(自身を除く): 12090464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 8941, 17882, 35764, 44705, 71528, 89410, 98351, 143056, 178820, 196702, 357640, 393404, 491755, 715280, 786808, 983510, 1573616, 1967020, 3934040, 7868080]

約数ペア:

[(1, 7868080), (2, 3934040), (4, 1967020), (5, 1573616), (8, 983510), (10, 786808), (11, 715280), (16, 491755), (20, 393404), (22, 357640), (40, 196702), (44, 178820), (55, 143056), (80, 98351), (88, 89410), (110, 71528), (176, 44705), (220, 35764), (440, 17882), (880, 8941)]