12986680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{46381}}^1$

素因数の和:46399

約数の個数: 32

約数和(自身を含む): 33395040

約数和(自身を除く): 20408360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 46381, 92762, 185524, 231905, 324667, 371048, 463810, 649334, 927620, 1298668, 1623335, 1855240, 2597336, 3246670, 6493340, 12986680]

約数ペア:

[(1, 12986680), (2, 6493340), (4, 3246670), (5, 2597336), (7, 1855240), (8, 1623335), (10, 1298668), (14, 927620), (20, 649334), (28, 463810), (35, 371048), (40, 324667), (56, 231905), (70, 185524), (140, 92762), (280, 46381)]