68624620

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4139}}^1$

素因数の和:4977

約数の個数: 24

約数和(自身を含む): 144320400

約数和(自身を除く): 75695780

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4139, 4145, 8278, 8290, 16556, 16580, 20695, 41390, 82780, 3431231, 6862462, 13724924, 17156155, 34312310, 68624620]

約数ペア:

[(1, 68624620), (2, 34312310), (4, 17156155), (5, 13724924), (10, 6862462), (20, 3431231), (829, 82780), (1658, 41390), (3316, 20695), (4139, 16580), (4145, 16556), (8278, 8290)]