200449840

素因数分解:

$2^4\times 5^1\times {\mathrm{2505623}}^1$

素因数の和:2505636

約数の個数: 20

約数和(自身を含む): 466046064

約数和(自身を除く): 265596224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2505623, 5011246, 10022492, 12528115, 20044984, 25056230, 40089968, 50112460, 100224920, 200449840]

約数ペア:

[(1, 200449840), (2, 100224920), (4, 50112460), (5, 40089968), (8, 25056230), (10, 20044984), (16, 12528115), (20, 10022492), (40, 5011246), (80, 2505623)]