87806960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6991}}^1$

素因数の和:7161

約数の個数: 40

約数和(自身を含む): 205480896

約数和(自身を除く): 117673936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 6991, 12560, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 279640, 559280, 1097587, 2195174, 4390348, 5487935, 8780696, 10975870, 17561392, 21951740, 43903480, 87806960]

約数ペア:

[(1, 87806960), (2, 43903480), (4, 21951740), (5, 17561392), (8, 10975870), (10, 8780696), (16, 5487935), (20, 4390348), (40, 2195174), (80, 1097587), (157, 559280), (314, 279640), (628, 139820), (785, 111856), (1256, 69910), (1570, 55928), (2512, 34955), (3140, 27964), (6280, 13982), (6991, 12560)]