202464440

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{3557}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 455993280

約数和(自身を除く): 253528840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 3557, 5692, 7114, 7115, 11384, 14228, 14230, 17785, 28456, 28460, 35570, 56920, 71140, 142280, 5061611, 10123222, 20246444, 25308055, 40492888, 50616110, 101232220, 202464440]

約数ペア:

[(1, 202464440), (2, 101232220), (4, 50616110), (5, 40492888), (8, 25308055), (10, 20246444), (20, 10123222), (40, 5061611), (1423, 142280), (2846, 71140), (3557, 56920), (5692, 35570), (7114, 28460), (7115, 28456), (11384, 17785), (14228, 14230)]