12131540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 27869184

約数和(自身を除く): 15737644

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 1151, 2108, 2302, 2635, 4604, 5270, 5755, 10540, 11510, 19567, 23020, 35681, 39134, 71362, 78268, 97835, 142724, 178405, 195670, 356810, 391340, 606577, 713620, 1213154, 2426308, 3032885, 6065770, 12131540]

約数ペア:

[(1, 12131540), (2, 6065770), (4, 3032885), (5, 2426308), (10, 1213154), (17, 713620), (20, 606577), (31, 391340), (34, 356810), (62, 195670), (68, 178405), (85, 142724), (124, 97835), (155, 78268), (170, 71362), (310, 39134), (340, 35681), (527, 23020), (620, 19567), (1054, 11510), (1151, 10540), (2108, 5755), (2302, 5270), (2635, 4604)]