70268020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81707}}^1$

素因数の和:81759

約数の個数: 24

約数和(自身を含む): 150996384

約数和(自身を除く): 80728364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 81707, 163414, 326828, 408535, 817070, 1634140, 3513401, 7026802, 14053604, 17567005, 35134010, 70268020]

約数ペア:

[(1, 70268020), (2, 35134010), (4, 17567005), (5, 14053604), (10, 7026802), (20, 3513401), (43, 1634140), (86, 817070), (172, 408535), (215, 326828), (430, 163414), (860, 81707)]