8814740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 20442240

約数和(自身を除く): 11627500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 389, 412, 515, 778, 1030, 1133, 1556, 1945, 2060, 2266, 3890, 4279, 4532, 5665, 7780, 8558, 11330, 17116, 21395, 22660, 40067, 42790, 80134, 85580, 160268, 200335, 400670, 440737, 801340, 881474, 1762948, 2203685, 4407370, 8814740]

約数ペア:

[(1, 8814740), (2, 4407370), (4, 2203685), (5, 1762948), (10, 881474), (11, 801340), (20, 440737), (22, 400670), (44, 200335), (55, 160268), (103, 85580), (110, 80134), (206, 42790), (220, 40067), (389, 22660), (412, 21395), (515, 17116), (778, 11330), (1030, 8558), (1133, 7780), (1556, 5665), (1945, 4532), (2060, 4279), (2266, 3890)]