27564020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{359}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35939980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 359, 698, 718, 1396, 1436, 1745, 1795, 3490, 3590, 3839, 3949, 6980, 7180, 7678, 7898, 15356, 15796, 19195, 19745, 38390, 39490, 76780, 78980, 125291, 250582, 501164, 626455, 1252910, 1378201, 2505820, 2756402, 5512804, 6891005, 13782010, 27564020]

約数ペア:

[(1, 27564020), (2, 13782010), (4, 6891005), (5, 5512804), (10, 2756402), (11, 2505820), (20, 1378201), (22, 1252910), (44, 626455), (55, 501164), (110, 250582), (220, 125291), (349, 78980), (359, 76780), (698, 39490), (718, 38390), (1396, 19745), (1436, 19195), (1745, 15796), (1795, 15356), (3490, 7898), (3590, 7678), (3839, 7180), (3949, 6980)]