123876140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{39451}}^1$

素因数の和:39617

約数の個数: 24

約数和(自身を含む): 261803472

約数和(自身を除く): 137927332

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 39451, 78902, 157804, 197255, 394510, 789020, 6193807, 12387614, 24775228, 30969035, 61938070, 123876140]

約数ペア:

[(1, 123876140), (2, 61938070), (4, 30969035), (5, 24775228), (10, 12387614), (20, 6193807), (157, 789020), (314, 394510), (628, 197255), (785, 157804), (1570, 78902), (3140, 39451)]