77312680

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2131}}^1$

素因数の和:3049

約数の個数: 32

約数和(自身を含む): 174227040

約数和(自身を除く): 96914360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1814, 2131, 3628, 4262, 4535, 7256, 8524, 9070, 10655, 17048, 18140, 21310, 36280, 42620, 85240, 1932817, 3865634, 7731268, 9664085, 15462536, 19328170, 38656340, 77312680]

約数ペア:

[(1, 77312680), (2, 38656340), (4, 19328170), (5, 15462536), (8, 9664085), (10, 7731268), (20, 3865634), (40, 1932817), (907, 85240), (1814, 42620), (2131, 36280), (3628, 21310), (4262, 18140), (4535, 17048), (7256, 10655), (8524, 9070)]