12801740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13063}}^1$

素因数の和:13086

約数の個数: 36

約数和(自身を含む): 31275216

約数和(自身を除く): 18473476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13063, 26126, 52252, 65315, 91441, 130630, 182882, 261260, 365764, 457205, 640087, 914410, 1280174, 1828820, 2560348, 3200435, 6400870, 12801740]

約数ペア:

[(1, 12801740), (2, 6400870), (4, 3200435), (5, 2560348), (7, 1828820), (10, 1280174), (14, 914410), (20, 640087), (28, 457205), (35, 365764), (49, 261260), (70, 182882), (98, 130630), (140, 91441), (196, 65315), (245, 52252), (490, 26126), (980, 13063)]