28288540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202061}}^1$

素因数の和:202077

約数の個数: 24

約数和(自身を含む): 67892832

約数和(自身を除く): 39604292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202061, 404122, 808244, 1010305, 1414427, 2020610, 2828854, 4041220, 5657708, 7072135, 14144270, 28288540]

約数ペア:

[(1, 28288540), (2, 14144270), (4, 7072135), (5, 5657708), (7, 4041220), (10, 2828854), (14, 2020610), (20, 1414427), (28, 1010305), (35, 808244), (70, 404122), (140, 202061)]