6980020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1327}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 14724864

約数和(自身を除く): 7744844

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1327, 2630, 2654, 5260, 5308, 6635, 13270, 26540, 349001, 698002, 1396004, 1745005, 3490010, 6980020]

約数ペア:

[(1, 6980020), (2, 3490010), (4, 1745005), (5, 1396004), (10, 698002), (20, 349001), (263, 26540), (526, 13270), (1052, 6635), (1315, 5308), (1327, 5260), (2630, 2654)]