249121520

素因数分解:

$2^4\times 5^1\times {\mathrm{3114019}}^1$

素因数の和:3114032

約数の個数: 20

約数和(自身を含む): 579207720

約数和(自身を除く): 330086200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3114019, 6228038, 12456076, 15570095, 24912152, 31140190, 49824304, 62280380, 124560760, 249121520]

約数ペア:

[(1, 249121520), (2, 124560760), (4, 62280380), (5, 49824304), (8, 31140190), (10, 24912152), (16, 15570095), (20, 12456076), (40, 6228038), (80, 3114019)]