42355760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7457}}^1$

素因数の和:7541

約数の個数: 40

約数和(自身を含む): 99877536

約数和(自身を除く): 57521776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7457, 14914, 29828, 37285, 59656, 74570, 119312, 149140, 298280, 529447, 596560, 1058894, 2117788, 2647235, 4235576, 5294470, 8471152, 10588940, 21177880, 42355760]

約数ペア:

[(1, 42355760), (2, 21177880), (4, 10588940), (5, 8471152), (8, 5294470), (10, 4235576), (16, 2647235), (20, 2117788), (40, 1058894), (71, 596560), (80, 529447), (142, 298280), (284, 149140), (355, 119312), (568, 74570), (710, 59656), (1136, 37285), (1420, 29828), (2840, 14914), (5680, 7457)]