987346960

素因数分解:

$2^4\times 5^1\times {\mathrm{12341837}}^1$

素因数の和:12341850

約数の個数: 20

約数和(自身を含む): 2295581868

約数和(自身を除く): 1308234908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12341837, 24683674, 49367348, 61709185, 98734696, 123418370, 197469392, 246836740, 493673480, 987346960]

約数ペア:

[(1, 987346960), (2, 493673480), (4, 246836740), (5, 197469392), (8, 123418370), (10, 98734696), (16, 61709185), (20, 49367348), (40, 24683674), (80, 12341837)]