129724640

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2927}}^1$

素因数の和:3219

約数の個数: 48

約数和(自身を含む): 307685952

約数和(自身を除く): 177961312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 2927, 4432, 5540, 5854, 8864, 11080, 11708, 14635, 22160, 23416, 29270, 44320, 46832, 58540, 93664, 117080, 234160, 468320, 810779, 1621558, 3243116, 4053895, 6486232, 8107790, 12972464, 16215580, 25944928, 32431160, 64862320, 129724640]

約数ペア:

[(1, 129724640), (2, 64862320), (4, 32431160), (5, 25944928), (8, 16215580), (10, 12972464), (16, 8107790), (20, 6486232), (32, 4053895), (40, 3243116), (80, 1621558), (160, 810779), (277, 468320), (554, 234160), (1108, 117080), (1385, 93664), (2216, 58540), (2770, 46832), (2927, 44320), (4432, 29270), (5540, 23416), (5854, 22160), (8864, 14635), (11080, 11708)]