249525520

素因数分解:

$2^4\times 5^1\times {\mathrm{3119069}}^1$

素因数の和:3119082

約数の個数: 20

約数和(自身を含む): 580147020

約数和(自身を除く): 330621500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3119069, 6238138, 12476276, 15595345, 24952552, 31190690, 49905104, 62381380, 124762760, 249525520]

約数ペア:

[(1, 249525520), (2, 124762760), (4, 62381380), (5, 49905104), (8, 31190690), (10, 24952552), (16, 15595345), (20, 12476276), (40, 6238138), (80, 3119069)]