25673840

素因数分解:

$2^4\times 5^1\times {\mathrm{320923}}^1$

素因数の和:320936

約数の個数: 20

約数和(自身を含む): 59691864

約数和(自身を除く): 34018024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320923, 641846, 1283692, 1604615, 2567384, 3209230, 5134768, 6418460, 12836920, 25673840]

約数ペア:

[(1, 25673840), (2, 12836920), (4, 6418460), (5, 5134768), (8, 3209230), (10, 2567384), (16, 1604615), (20, 1283692), (40, 641846), (80, 320923)]