127884080

素因数分解:

$2^4\times 5^1\times {\mathrm{1598551}}^1$

素因数の和:1598564

約数の個数: 20

約数和(自身を含む): 297330672

約数和(自身を除く): 169446592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1598551, 3197102, 6394204, 7992755, 12788408, 15985510, 25576816, 31971020, 63942040, 127884080]

約数ペア:

[(1, 127884080), (2, 63942040), (4, 31971020), (5, 25576816), (8, 15985510), (10, 12788408), (16, 7992755), (20, 6394204), (40, 3197102), (80, 1598551)]