202080005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{8623}}^1$

素因数の和:8780

約数の個数: 16

約数和(自身を含む): 250440960

約数和(自身を除く): 48360955

約数列:

[1, 5, 43, 109, 215, 545, 4687, 8623, 23435, 43115, 370789, 939907, 1853945, 4699535, 40416001, 202080005]

約数ペア:

[(1, 202080005), (5, 40416001), (43, 4699535), (109, 1853945), (215, 939907), (545, 370789), (4687, 43115), (8623, 23435)]