9896680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 22359240

約数和(自身を除く): 12462560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 617, 802, 1234, 1604, 2005, 2468, 3085, 3208, 4010, 4936, 6170, 8020, 12340, 16040, 24680, 247417, 494834, 989668, 1237085, 1979336, 2474170, 4948340, 9896680]

約数ペア:

[(1, 9896680), (2, 4948340), (4, 2474170), (5, 1979336), (8, 1237085), (10, 989668), (20, 494834), (40, 247417), (401, 24680), (617, 16040), (802, 12340), (1234, 8020), (1604, 6170), (2005, 4936), (2468, 4010), (3085, 3208)]