66687080

素因数分解:

$2^3\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1901}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 150296040

約数和(自身を除く): 83608960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 877, 1754, 1901, 3508, 3802, 4385, 7016, 7604, 8770, 9505, 15208, 17540, 19010, 35080, 38020, 76040, 1667177, 3334354, 6668708, 8335885, 13337416, 16671770, 33343540, 66687080]

約数ペア:

[(1, 66687080), (2, 33343540), (4, 16671770), (5, 13337416), (8, 8335885), (10, 6668708), (20, 3334354), (40, 1667177), (877, 76040), (1754, 38020), (1901, 35080), (3508, 19010), (3802, 17540), (4385, 15208), (7016, 9505), (7604, 8770)]