158984920

素因数分解:

$2^3\times 5^1\times {\mathrm{3974623}}^1$

素因数の和:3974634

約数の個数: 16

約数和(自身を含む): 357716160

約数和(自身を除く): 198731240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3974623, 7949246, 15898492, 19873115, 31796984, 39746230, 79492460, 158984920]

約数ペア:

[(1, 158984920), (2, 79492460), (4, 39746230), (5, 31796984), (8, 19873115), (10, 15898492), (20, 7949246), (40, 3974623)]