2500208

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:824

約数の個数: 20

約数和(自身を含む): 4869480

約数和(自身を除く): 2369272

約数列:

[1, 2, 4, 8, 16, 307, 509, 614, 1018, 1228, 2036, 2456, 4072, 4912, 8144, 156263, 312526, 625052, 1250104, 2500208]

約数ペア:

[(1, 2500208), (2, 1250104), (4, 625052), (8, 312526), (16, 156263), (307, 8144), (509, 4912), (614, 4072), (1018, 2456), (1228, 2036)]