64994960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15329}}^1$

素因数の和:15395

約数の個数: 40

約数和(自身を含む): 153974520

約数和(自身を除く): 88979560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15329, 30658, 61316, 76645, 122632, 153290, 245264, 306580, 613160, 812437, 1226320, 1624874, 3249748, 4062185, 6499496, 8124370, 12998992, 16248740, 32497480, 64994960]

約数ペア:

[(1, 64994960), (2, 32497480), (4, 16248740), (5, 12998992), (8, 8124370), (10, 6499496), (16, 4062185), (20, 3249748), (40, 1624874), (53, 1226320), (80, 812437), (106, 613160), (212, 306580), (265, 245264), (424, 153290), (530, 122632), (848, 76645), (1060, 61316), (2120, 30658), (4240, 15329)]