1689408040

素因数分解:

$2^3\times 5^1\times {\mathrm{42235201}}^1$

素因数の和:42235212

約数の個数: 16

約数和(自身を含む): 3801168180

約数和(自身を除く): 2111760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 42235201, 84470402, 168940804, 211176005, 337881608, 422352010, 844704020, 1689408040]

約数ペア:

[(1, 1689408040), (2, 844704020), (4, 422352010), (5, 337881608), (8, 211176005), (10, 168940804), (20, 84470402), (40, 42235201)]