28023760

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{809}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 65386440

約数和(自身を除く): 37362680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 809, 866, 1618, 1732, 2165, 3236, 3464, 4045, 4330, 6472, 6928, 8090, 8660, 12944, 16180, 17320, 32360, 34640, 64720, 350297, 700594, 1401188, 1751485, 2802376, 3502970, 5604752, 7005940, 14011880, 28023760]

約数ペア:

[(1, 28023760), (2, 14011880), (4, 7005940), (5, 5604752), (8, 3502970), (10, 2802376), (16, 1751485), (20, 1401188), (40, 700594), (80, 350297), (433, 64720), (809, 34640), (866, 32360), (1618, 17320), (1732, 16180), (2165, 12944), (3236, 8660), (3464, 8090), (4045, 6928), (4330, 6472)]