26530180

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2063}}^1$

素因数の和:2715

約数の個数: 24

約数和(自身を含む): 55827072

約数和(自身を除く): 29296892

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2063, 2572, 3215, 4126, 6430, 8252, 10315, 12860, 20630, 41260, 1326509, 2653018, 5306036, 6632545, 13265090, 26530180]

約数ペア:

[(1, 26530180), (2, 13265090), (4, 6632545), (5, 5306036), (10, 2653018), (20, 1326509), (643, 41260), (1286, 20630), (2063, 12860), (2572, 10315), (3215, 8252), (4126, 6430)]