156639640

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{3769}}^1$

素因数の和:4819

約数の個数: 32

約数和(自身を含む): 352872000

約数和(自身を除く): 196232360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 2078, 3769, 4156, 5195, 7538, 8312, 10390, 15076, 18845, 20780, 30152, 37690, 41560, 75380, 150760, 3915991, 7831982, 15663964, 19579955, 31327928, 39159910, 78319820, 156639640]

約数ペア:

[(1, 156639640), (2, 78319820), (4, 39159910), (5, 31327928), (8, 19579955), (10, 15663964), (20, 7831982), (40, 3915991), (1039, 150760), (2078, 75380), (3769, 41560), (4156, 37690), (5195, 30152), (7538, 20780), (8312, 18845), (10390, 15076)]