87651020

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{7103}}^1$

素因数の和:7729

約数の個数: 24

約数和(自身を含む): 184391424

約数和(自身を除く): 96740404

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 7103, 12340, 14206, 28412, 35515, 71030, 142060, 4382551, 8765102, 17530204, 21912755, 43825510, 87651020]

約数ペア:

[(1, 87651020), (2, 43825510), (4, 21912755), (5, 17530204), (10, 8765102), (20, 4382551), (617, 142060), (1234, 71030), (2468, 35515), (3085, 28412), (6170, 14206), (7103, 12340)]