91085480

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6343}}^1$

素因数の和:6713

約数の個数: 32

約数和(自身を含む): 205545600

約数和(自身を除く): 114460120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 6343, 7180, 12686, 14360, 25372, 31715, 50744, 63430, 126860, 253720, 2277137, 4554274, 9108548, 11385685, 18217096, 22771370, 45542740, 91085480]

約数ペア:

[(1, 91085480), (2, 45542740), (4, 22771370), (5, 18217096), (8, 11385685), (10, 9108548), (20, 4554274), (40, 2277137), (359, 253720), (718, 126860), (1436, 63430), (1795, 50744), (2872, 31715), (3590, 25372), (6343, 14360), (7180, 12686)]