28146140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 48

約数和(自身を含む): 66576384

約数和(自身を除く): 38430244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4127, 6820, 8254, 16508, 20635, 41270, 45397, 82540, 90794, 127937, 181588, 226985, 255874, 453970, 511748, 639685, 907940, 1279370, 1407307, 2558740, 2814614, 5629228, 7036535, 14073070, 28146140]

約数ペア:

[(1, 28146140), (2, 14073070), (4, 7036535), (5, 5629228), (10, 2814614), (11, 2558740), (20, 1407307), (22, 1279370), (31, 907940), (44, 639685), (55, 511748), (62, 453970), (110, 255874), (124, 226985), (155, 181588), (220, 127937), (310, 90794), (341, 82540), (620, 45397), (682, 41270), (1364, 20635), (1705, 16508), (3410, 8254), (4127, 6820)]