9888790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 18506880

約数和(自身を除く): 8618090

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 271, 410, 445, 542, 890, 1355, 2710, 3649, 7298, 11111, 18245, 22222, 24119, 36490, 48238, 55555, 111110, 120595, 241190, 988879, 1977758, 4944395, 9888790]

約数ペア:

[(1, 9888790), (2, 4944395), (5, 1977758), (10, 988879), (41, 241190), (82, 120595), (89, 111110), (178, 55555), (205, 48238), (271, 36490), (410, 24119), (445, 22222), (542, 18245), (890, 11111), (1355, 7298), (2710, 3649)]