12212680

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1447}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 27627840

約数和(自身を除く): 15415160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1447, 1688, 2110, 2894, 4220, 5788, 7235, 8440, 11576, 14470, 28940, 57880, 305317, 610634, 1221268, 1526585, 2442536, 3053170, 6106340, 12212680]

約数ペア:

[(1, 12212680), (2, 6106340), (4, 3053170), (5, 2442536), (8, 1526585), (10, 1221268), (20, 610634), (40, 305317), (211, 57880), (422, 28940), (844, 14470), (1055, 11576), (1447, 8440), (1688, 7235), (2110, 5788), (2894, 4220)]