68705960

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3527}}^1$

素因数の和:4025

約数の個数: 32

約数和(自身を含む): 154949760

約数和(自身を除く): 86243800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3527, 3896, 4870, 7054, 9740, 14108, 17635, 19480, 28216, 35270, 70540, 141080, 1717649, 3435298, 6870596, 8588245, 13741192, 17176490, 34352980, 68705960]

約数ペア:

[(1, 68705960), (2, 34352980), (4, 17176490), (5, 13741192), (8, 8588245), (10, 6870596), (20, 3435298), (40, 1717649), (487, 141080), (974, 70540), (1948, 35270), (2435, 28216), (3527, 19480), (3896, 17635), (4870, 14108), (7054, 9740)]