205174960

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{9127}}^1$

素因数の和:9421

約数の個数: 40

約数和(自身を含む): 478781856

約数和(自身を除く): 273606896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 9127, 11240, 18254, 22480, 36508, 45635, 73016, 91270, 146032, 182540, 365080, 730160, 2564687, 5129374, 10258748, 12823435, 20517496, 25646870, 41034992, 51293740, 102587480, 205174960]

約数ペア:

[(1, 205174960), (2, 102587480), (4, 51293740), (5, 41034992), (8, 25646870), (10, 20517496), (16, 12823435), (20, 10258748), (40, 5129374), (80, 2564687), (281, 730160), (562, 365080), (1124, 182540), (1405, 146032), (2248, 91270), (2810, 73016), (4496, 45635), (5620, 36508), (9127, 22480), (11240, 18254)]