127668560

素因数分解:

$2^4\times 5^1\times {\mathrm{1595857}}^1$

素因数の和:1595870

約数の個数: 20

約数和(自身を含む): 296829588

約数和(自身を除く): 169161028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1595857, 3191714, 6383428, 7979285, 12766856, 15958570, 25533712, 31917140, 63834280, 127668560]

約数ペア:

[(1, 127668560), (2, 63834280), (4, 31917140), (5, 25533712), (8, 15958570), (10, 12766856), (16, 7979285), (20, 6383428), (40, 3191714), (80, 1595857)]