64455760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5881}}^1$

素因数の和:6031

約数の個数: 40

約数和(自身を含む): 150979176

約数和(自身を除く): 86523416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 5881, 10960, 11762, 23524, 29405, 47048, 58810, 94096, 117620, 235240, 470480, 805697, 1611394, 3222788, 4028485, 6445576, 8056970, 12891152, 16113940, 32227880, 64455760]

約数ペア:

[(1, 64455760), (2, 32227880), (4, 16113940), (5, 12891152), (8, 8056970), (10, 6445576), (16, 4028485), (20, 3222788), (40, 1611394), (80, 805697), (137, 470480), (274, 235240), (548, 117620), (685, 94096), (1096, 58810), (1370, 47048), (2192, 29405), (2740, 23524), (5480, 11762), (5881, 10960)]