68804720

素因数分解:

$2^4\times 5^1\times {\mathrm{860059}}^1$

素因数の和:860072

約数の個数: 20

約数和(自身を含む): 159971160

約数和(自身を除く): 91166440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860059, 1720118, 3440236, 4300295, 6880472, 8600590, 13760944, 17201180, 34402360, 68804720]

約数ペア:

[(1, 68804720), (2, 34402360), (4, 17201180), (5, 13760944), (8, 8600590), (10, 6880472), (16, 4300295), (20, 3440236), (40, 1720118), (80, 860059)]