158940680

素因数分解:

$2^3\times 5^1\times {\mathrm{3973517}}^1$

素因数の和:3973528

約数の個数: 16

約数和(自身を含む): 357616620

約数和(自身を除く): 198675940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3973517, 7947034, 15894068, 19867585, 31788136, 39735170, 79470340, 158940680]

約数ペア:

[(1, 158940680), (2, 79470340), (4, 39735170), (5, 31788136), (8, 19867585), (10, 15894068), (20, 7947034), (40, 3973517)]