557628080

素因数分解:

$2^4\times 5^1\times {\mathrm{6970351}}^1$

素因数の和:6970364

約数の個数: 20

約数和(自身を含む): 1296485472

約数和(自身を除く): 738857392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6970351, 13940702, 27881404, 34851755, 55762808, 69703510, 111525616, 139407020, 278814040, 557628080]

約数ペア:

[(1, 557628080), (2, 278814040), (4, 139407020), (5, 111525616), (8, 69703510), (10, 55762808), (16, 34851755), (20, 27881404), (40, 13940702), (80, 6970351)]