8120660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 17853696

約数和(自身を除く): 9733036

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 163, 188, 212, 235, 265, 326, 470, 530, 652, 815, 940, 1060, 1630, 2491, 3260, 4982, 7661, 8639, 9964, 12455, 15322, 17278, 24910, 30644, 34556, 38305, 43195, 49820, 76610, 86390, 153220, 172780, 406033, 812066, 1624132, 2030165, 4060330, 8120660]

約数ペア:

[(1, 8120660), (2, 4060330), (4, 2030165), (5, 1624132), (10, 812066), (20, 406033), (47, 172780), (53, 153220), (94, 86390), (106, 76610), (163, 49820), (188, 43195), (212, 38305), (235, 34556), (265, 30644), (326, 24910), (470, 17278), (530, 15322), (652, 12455), (815, 9964), (940, 8639), (1060, 7661), (1630, 4982), (2491, 3260)]