80276860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56533}}^1$

素因数の和:56613

約数の個数: 24

約数和(自身を含む): 170958816

約数和(自身を除く): 90681956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56533, 113066, 226132, 282665, 565330, 1130660, 4013843, 8027686, 16055372, 20069215, 40138430, 80276860]

約数ペア:

[(1, 80276860), (2, 40138430), (4, 20069215), (5, 16055372), (10, 8027686), (20, 4013843), (71, 1130660), (142, 565330), (284, 282665), (355, 226132), (710, 113066), (1420, 56533)]