12145240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2687}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 15433640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 2687, 4520, 5374, 10748, 13435, 21496, 26870, 53740, 107480, 303631, 607262, 1214524, 1518155, 2429048, 3036310, 6072620, 12145240]

約数ペア:

[(1, 12145240), (2, 6072620), (4, 3036310), (5, 2429048), (8, 1518155), (10, 1214524), (20, 607262), (40, 303631), (113, 107480), (226, 53740), (452, 26870), (565, 21496), (904, 13435), (1130, 10748), (2260, 5374), (2687, 4520)]