28368920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41719}}^1$

素因数の和:41747

約数の個数: 32

約数和(自身を含む): 67586400

約数和(自身を除く): 39217480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41719, 83438, 166876, 208595, 333752, 417190, 709223, 834380, 1418446, 1668760, 2836892, 3546115, 5673784, 7092230, 14184460, 28368920]

約数ペア:

[(1, 28368920), (2, 14184460), (4, 7092230), (5, 5673784), (8, 3546115), (10, 2836892), (17, 1668760), (20, 1418446), (34, 834380), (40, 709223), (68, 417190), (85, 333752), (136, 208595), (170, 166876), (340, 83438), (680, 41719)]