99959960

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6961}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 225568800

約数和(自身を除く): 125608840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 6961, 7180, 13922, 14360, 27844, 34805, 55688, 69610, 139220, 278440, 2498999, 4997998, 9995996, 12494995, 19991992, 24989990, 49979980, 99959960]

約数ペア:

[(1, 99959960), (2, 49979980), (4, 24989990), (5, 19991992), (8, 12494995), (10, 9995996), (20, 4997998), (40, 2498999), (359, 278440), (718, 139220), (1436, 69610), (1795, 55688), (2872, 34805), (3590, 27844), (6961, 14360), (7180, 13922)]