66706840

素因数分解:

$2^3\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2203}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 150356880

約数和(自身を除く): 83650040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 757, 1514, 2203, 3028, 3785, 4406, 6056, 7570, 8812, 11015, 15140, 17624, 22030, 30280, 44060, 88120, 1667671, 3335342, 6670684, 8338355, 13341368, 16676710, 33353420, 66706840]

約数ペア:

[(1, 66706840), (2, 33353420), (4, 16676710), (5, 13341368), (8, 8338355), (10, 6670684), (20, 3335342), (40, 1667671), (757, 88120), (1514, 44060), (2203, 30280), (3028, 22030), (3785, 17624), (4406, 15140), (6056, 11015), (7570, 8812)]