2890480

素因数分解:

$2^4\times 5^1\times {\mathrm{36131}}^1$

素因数の和:36144

約数の個数: 20

約数和(自身を含む): 6720552

約数和(自身を除く): 3830072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36131, 72262, 144524, 180655, 289048, 361310, 578096, 722620, 1445240, 2890480]

約数ペア:

[(1, 2890480), (2, 1445240), (4, 722620), (5, 578096), (8, 361310), (10, 289048), (16, 180655), (20, 144524), (40, 72262), (80, 36131)]