66015860

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7451}}^1$

素因数の和:7903

約数の個数: 24

約数和(自身を含む): 138964896

約数和(自身を除く): 72949036

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7451, 8860, 14902, 29804, 37255, 74510, 149020, 3300793, 6601586, 13203172, 16503965, 33007930, 66015860]

約数ペア:

[(1, 66015860), (2, 33007930), (4, 16503965), (5, 13203172), (10, 6601586), (20, 3300793), (443, 149020), (886, 74510), (1772, 37255), (2215, 29804), (4430, 14902), (7451, 8860)]