12578140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13381}}^1$

素因数の和:13437

約数の個数: 24

約数和(自身を含む): 26978112

約数和(自身を除く): 14399972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 13381, 26762, 53524, 66905, 133810, 267620, 628907, 1257814, 2515628, 3144535, 6289070, 12578140]

約数ペア:

[(1, 12578140), (2, 6289070), (4, 3144535), (5, 2515628), (10, 1257814), (20, 628907), (47, 267620), (94, 133810), (188, 66905), (235, 53524), (470, 26762), (940, 13381)]