2080454960

素因数分解:

$2^4\times 5^1\times {\mathrm{26005687}}^1$

素因数の和:26005700

約数の個数: 20

約数和(自身を含む): 4837057968

約数和(自身を除く): 2756603008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26005687, 52011374, 104022748, 130028435, 208045496, 260056870, 416090992, 520113740, 1040227480, 2080454960]

約数ペア:

[(1, 2080454960), (2, 1040227480), (4, 520113740), (5, 416090992), (8, 260056870), (10, 208045496), (16, 130028435), (20, 104022748), (40, 52011374), (80, 26005687)]