49682320

素因数分解:

$2^4\times 5^1\times {\mathrm{621029}}^1$

素因数の和:621042

約数の個数: 20

約数和(自身を含む): 115511580

約数和(自身を除く): 65829260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 621029, 1242058, 2484116, 3105145, 4968232, 6210290, 9936464, 12420580, 24841160, 49682320]

約数ペア:

[(1, 49682320), (2, 24841160), (4, 12420580), (5, 9936464), (8, 6210290), (10, 4968232), (16, 3105145), (20, 2484116), (40, 1242058), (80, 621029)]