812462960

素因数分解:

$2^4\times 5^1\times {\mathrm{10155787}}^1$

素因数の和:10155800

約数の個数: 20

約数和(自身を含む): 1888976568

約数和(自身を除く): 1076513608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10155787, 20311574, 40623148, 50778935, 81246296, 101557870, 162492592, 203115740, 406231480, 812462960]

約数ペア:

[(1, 812462960), (2, 406231480), (4, 203115740), (5, 162492592), (8, 101557870), (10, 81246296), (16, 50778935), (20, 40623148), (40, 20311574), (80, 10155787)]