20252560

素因数分解:

$2^4\times 5^1\times {\mathrm{253157}}^1$

素因数の和:253170

約数の個数: 20

約数和(自身を含む): 47087388

約数和(自身を除く): 26834828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253157, 506314, 1012628, 1265785, 2025256, 2531570, 4050512, 5063140, 10126280, 20252560]

約数ペア:

[(1, 20252560), (2, 10126280), (4, 5063140), (5, 4050512), (8, 2531570), (10, 2025256), (16, 1265785), (20, 1012628), (40, 506314), (80, 253157)]