86961140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21419}}^1$

素因数の和:21464

約数の個数: 48

約数和(自身を含む): 215913600

約数和(自身を除く): 128952460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21419, 42838, 85676, 107095, 149933, 214190, 299866, 428380, 599732, 621151, 749665, 1242302, 1499330, 2484604, 2998660, 3105755, 4348057, 6211510, 8696114, 12423020, 17392228, 21740285, 43480570, 86961140]

約数ペア:

[(1, 86961140), (2, 43480570), (4, 21740285), (5, 17392228), (7, 12423020), (10, 8696114), (14, 6211510), (20, 4348057), (28, 3105755), (29, 2998660), (35, 2484604), (58, 1499330), (70, 1242302), (116, 749665), (140, 621151), (145, 599732), (203, 428380), (290, 299866), (406, 214190), (580, 149933), (812, 107095), (1015, 85676), (2030, 42838), (4060, 21419)]