204881840

素因数分解:

$2^4\times 5^1\times {\mathrm{2561023}}^1$

素因数の和:2561036

約数の個数: 20

約数和(自身を含む): 476350464

約数和(自身を除く): 271468624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2561023, 5122046, 10244092, 12805115, 20488184, 25610230, 40976368, 51220460, 102440920, 204881840]

約数ペア:

[(1, 204881840), (2, 102440920), (4, 51220460), (5, 40976368), (8, 25610230), (10, 20488184), (16, 12805115), (20, 10244092), (40, 5122046), (80, 2561023)]