13772560

素因数分解:

$2^4\times 5^1\times {\mathrm{172157}}^1$

素因数の和:172170

約数の個数: 20

約数和(自身を含む): 32021388

約数和(自身を除く): 18248828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172157, 344314, 688628, 860785, 1377256, 1721570, 2754512, 3443140, 6886280, 13772560]

約数ペア:

[(1, 13772560), (2, 6886280), (4, 3443140), (5, 2754512), (8, 1721570), (10, 1377256), (16, 860785), (20, 688628), (40, 344314), (80, 172157)]