8609860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 20926080

約数和(自身を除く): 12316220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 691, 890, 1246, 1382, 1780, 2492, 2764, 3115, 3455, 4837, 6230, 6910, 9674, 12460, 13820, 19348, 24185, 48370, 61499, 96740, 122998, 245996, 307495, 430493, 614990, 860986, 1229980, 1721972, 2152465, 4304930, 8609860]

約数ペア:

[(1, 8609860), (2, 4304930), (4, 2152465), (5, 1721972), (7, 1229980), (10, 860986), (14, 614990), (20, 430493), (28, 307495), (35, 245996), (70, 122998), (89, 96740), (140, 61499), (178, 48370), (356, 24185), (445, 19348), (623, 13820), (691, 12460), (890, 9674), (1246, 6910), (1382, 6230), (1780, 4837), (2492, 3455), (2764, 3115)]