2017475440

素因数分解:

$2^4\times 5^1\times {\mathrm{25218443}}^1$

素因数の和:25218456

約数の個数: 20

約数和(自身を含む): 4690630584

約数和(自身を除く): 2673155144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25218443, 50436886, 100873772, 126092215, 201747544, 252184430, 403495088, 504368860, 1008737720, 2017475440]

約数ペア:

[(1, 2017475440), (2, 1008737720), (4, 504368860), (5, 403495088), (8, 252184430), (10, 201747544), (16, 126092215), (20, 100873772), (40, 50436886), (80, 25218443)]