28831760

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3499}}^1$

素因数の和:3615

約数の個数: 40

約数和(自身を含む): 67704000

約数和(自身を除く): 38872240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3499, 4120, 6998, 8240, 13996, 17495, 27992, 34990, 55984, 69980, 139960, 279920, 360397, 720794, 1441588, 1801985, 2883176, 3603970, 5766352, 7207940, 14415880, 28831760]

約数ペア:

[(1, 28831760), (2, 14415880), (4, 7207940), (5, 5766352), (8, 3603970), (10, 2883176), (16, 1801985), (20, 1441588), (40, 720794), (80, 360397), (103, 279920), (206, 139960), (412, 69980), (515, 55984), (824, 34990), (1030, 27992), (1648, 17495), (2060, 13996), (3499, 8240), (4120, 6998)]