210508520

素因数分解:

$2^3\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{2551}}^1$

素因数の和:4625

約数の個数: 32

約数和(自身を含む): 474059520

約数和(自身を除く): 263551000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2063, 2551, 4126, 5102, 8252, 10204, 10315, 12755, 16504, 20408, 20630, 25510, 41260, 51020, 82520, 102040, 5262713, 10525426, 21050852, 26313565, 42101704, 52627130, 105254260, 210508520]

約数ペア:

[(1, 210508520), (2, 105254260), (4, 52627130), (5, 42101704), (8, 26313565), (10, 21050852), (20, 10525426), (40, 5262713), (2063, 102040), (2551, 82520), (4126, 51020), (5102, 41260), (8252, 25510), (10204, 20630), (10315, 20408), (12755, 16504)]