81075260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{7933}}^1$

素因数の和:8022

約数の個数: 48

約数和(自身を含む): 197270976

約数和(自身を除く): 116195716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 7933, 10220, 15866, 31732, 39665, 55531, 79330, 111062, 158660, 222124, 277655, 555310, 579109, 1110620, 1158218, 2316436, 2895545, 4053763, 5791090, 8107526, 11582180, 16215052, 20268815, 40537630, 81075260]

約数ペア:

[(1, 81075260), (2, 40537630), (4, 20268815), (5, 16215052), (7, 11582180), (10, 8107526), (14, 5791090), (20, 4053763), (28, 2895545), (35, 2316436), (70, 1158218), (73, 1110620), (140, 579109), (146, 555310), (292, 277655), (365, 222124), (511, 158660), (730, 111062), (1022, 79330), (1460, 55531), (2044, 39665), (2555, 31732), (5110, 15866), (7933, 10220)]