68678840

素因数分解:

$2^3\times 5^1\times {\mathrm{1716971}}^1$

素因数の和:1716982

約数の個数: 16

約数和(自身を含む): 154527480

約数和(自身を除く): 85848640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1716971, 3433942, 6867884, 8584855, 13735768, 17169710, 34339420, 68678840]

約数ペア:

[(1, 68678840), (2, 34339420), (4, 17169710), (5, 13735768), (8, 8584855), (10, 6867884), (20, 3433942), (40, 1716971)]