1650485680

素因数分解:

$2^4\times 5^1\times {\mathrm{2099}}^1\times {\mathrm{9829}}^1$

素因数の和:11941

約数の個数: 40

約数和(自身を含む): 3839598000

約数和(自身を除く): 2189112320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2099, 4198, 8396, 9829, 10495, 16792, 19658, 20990, 33584, 39316, 41980, 49145, 78632, 83960, 98290, 157264, 167920, 196580, 393160, 786320, 20631071, 41262142, 82524284, 103155355, 165048568, 206310710, 330097136, 412621420, 825242840, 1650485680]

約数ペア:

[(1, 1650485680), (2, 825242840), (4, 412621420), (5, 330097136), (8, 206310710), (10, 165048568), (16, 103155355), (20, 82524284), (40, 41262142), (80, 20631071), (2099, 786320), (4198, 393160), (8396, 196580), (9829, 167920), (10495, 157264), (16792, 98290), (19658, 83960), (20990, 78632), (33584, 49145), (39316, 41980)]