28449880

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{877}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 64164240

約数和(自身を除く): 35714360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 877, 1622, 1754, 3244, 3508, 4055, 4385, 6488, 7016, 8110, 8770, 16220, 17540, 32440, 35080, 711247, 1422494, 2844988, 3556235, 5689976, 7112470, 14224940, 28449880]

約数ペア:

[(1, 28449880), (2, 14224940), (4, 7112470), (5, 5689976), (8, 3556235), (10, 2844988), (20, 1422494), (40, 711247), (811, 35080), (877, 32440), (1622, 17540), (1754, 16220), (3244, 8770), (3508, 8110), (4055, 7016), (4385, 6488)]