6419860

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 13545000

約数和(自身を除く): 7125140

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1249, 1285, 2498, 2570, 4996, 5140, 6245, 12490, 24980, 320993, 641986, 1283972, 1604965, 3209930, 6419860]

約数ペア:

[(1, 6419860), (2, 3209930), (4, 1604965), (5, 1283972), (10, 641986), (20, 320993), (257, 24980), (514, 12490), (1028, 6245), (1249, 5140), (1285, 4996), (2498, 2570)]