386319280

素因数分解:

$2^4\times 5^1\times {\mathrm{4828991}}^1$

素因数の和:4829004

約数の個数: 20

約数和(自身を含む): 898192512

約数和(自身を除く): 511873232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4828991, 9657982, 19315964, 24144955, 38631928, 48289910, 77263856, 96579820, 193159640, 386319280]

約数ペア:

[(1, 386319280), (2, 193159640), (4, 96579820), (5, 77263856), (8, 48289910), (10, 38631928), (16, 24144955), (20, 19315964), (40, 9657982), (80, 4828991)]