87911920

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3061}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 205031520

約数和(自身を除く): 117119600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3061, 3590, 5744, 6122, 7180, 12244, 14360, 15305, 24488, 28720, 30610, 48976, 61220, 122440, 244880, 1098899, 2197798, 4395596, 5494495, 8791192, 10988990, 17582384, 21977980, 43955960, 87911920]

約数ペア:

[(1, 87911920), (2, 43955960), (4, 21977980), (5, 17582384), (8, 10988990), (10, 8791192), (16, 5494495), (20, 4395596), (40, 2197798), (80, 1098899), (359, 244880), (718, 122440), (1436, 61220), (1795, 48976), (2872, 30610), (3061, 28720), (3590, 24488), (5744, 15305), (6122, 14360), (7180, 12244)]