66228440

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3623}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 149381280

約数和(自身を除く): 83152840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3623, 3656, 4570, 7246, 9140, 14492, 18115, 18280, 28984, 36230, 72460, 144920, 1655711, 3311422, 6622844, 8278555, 13245688, 16557110, 33114220, 66228440]

約数ペア:

[(1, 66228440), (2, 33114220), (4, 16557110), (5, 13245688), (8, 8278555), (10, 6622844), (20, 3311422), (40, 1655711), (457, 144920), (914, 72460), (1828, 36230), (2285, 28984), (3623, 18280), (3656, 18115), (4570, 14492), (7246, 9140)]