157960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 388800

約数和(自身を除く): 230840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 359, 440, 718, 1436, 1795, 2872, 3590, 3949, 7180, 7898, 14360, 15796, 19745, 31592, 39490, 78980, 157960]

約数ペア:

[(1, 157960), (2, 78980), (4, 39490), (5, 31592), (8, 19745), (10, 15796), (11, 14360), (20, 7898), (22, 7180), (40, 3949), (44, 3590), (55, 2872), (88, 1795), (110, 1436), (220, 718), (359, 440)]