5212220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20069

約数の個数: 24

約数和(自身を含む): 11788224

約数和(自身を除く): 6576004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20047, 40094, 80188, 100235, 200470, 260611, 400940, 521222, 1042444, 1303055, 2606110, 5212220]

約数ペア:

[(1, 5212220), (2, 2606110), (4, 1303055), (5, 1042444), (10, 521222), (13, 400940), (20, 260611), (26, 200470), (52, 100235), (65, 80188), (130, 40094), (260, 20047)]