28486540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3881}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 60000192

約数和(自身を除く): 31513652

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 3881, 7340, 7762, 15524, 19405, 38810, 77620, 1424327, 2848654, 5697308, 7121635, 14243270, 28486540]

約数ペア:

[(1, 28486540), (2, 14243270), (4, 7121635), (5, 5697308), (10, 2848654), (20, 1424327), (367, 77620), (734, 38810), (1468, 19405), (1835, 15524), (3670, 7762), (3881, 7340)]