8393980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59957}}^1$

素因数の和:59973

約数の個数: 24

約数和(自身を含む): 20145888

約数和(自身を除く): 11751908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 59957, 119914, 239828, 299785, 419699, 599570, 839398, 1199140, 1678796, 2098495, 4196990, 8393980]

約数ペア:

[(1, 8393980), (2, 4196990), (4, 2098495), (5, 1678796), (7, 1199140), (10, 839398), (14, 599570), (20, 419699), (28, 299785), (35, 239828), (70, 119914), (140, 59957)]