78101020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205529}}^1$

素因数の和:205557

約数の個数: 24

約数和(自身を含む): 172645200

約数和(自身を除く): 94544180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205529, 411058, 822116, 1027645, 2055290, 3905051, 4110580, 7810102, 15620204, 19525255, 39050510, 78101020]

約数ペア:

[(1, 78101020), (2, 39050510), (4, 19525255), (5, 15620204), (10, 7810102), (19, 4110580), (20, 3905051), (38, 2055290), (76, 1027645), (95, 822116), (190, 411058), (380, 205529)]