40864360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7457}}^1$

素因数の和:7605

約数の個数: 32

約数和(自身を含む): 92628360

約数和(自身を除く): 51764000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 7457, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 1021609, 2043218, 4086436, 5108045, 8172872, 10216090, 20432180, 40864360]

約数ペア:

[(1, 40864360), (2, 20432180), (4, 10216090), (5, 8172872), (8, 5108045), (10, 4086436), (20, 2043218), (40, 1021609), (137, 298280), (274, 149140), (548, 74570), (685, 59656), (1096, 37285), (1370, 29828), (2740, 14914), (5480, 7457)]