258644080

素因数分解:

$2^4\times 5^1\times {\mathrm{3233051}}^1$

素因数の和:3233064

約数の個数: 20

約数和(自身を含む): 601347672

約数和(自身を除く): 342703592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3233051, 6466102, 12932204, 16165255, 25864408, 32330510, 51728816, 64661020, 129322040, 258644080]

約数ペア:

[(1, 258644080), (2, 129322040), (4, 64661020), (5, 51728816), (8, 32330510), (10, 25864408), (16, 16165255), (20, 12932204), (40, 6466102), (80, 3233051)]