20260280

素因数分解:

$2^3\times 5^1\times {\mathrm{506507}}^1$

素因数の和:506518

約数の個数: 16

約数和(自身を含む): 45585720

約数和(自身を除く): 25325440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506507, 1013014, 2026028, 2532535, 4052056, 5065070, 10130140, 20260280]

約数ペア:

[(1, 20260280), (2, 10130140), (4, 5065070), (5, 4052056), (8, 2532535), (10, 2026028), (20, 1013014), (40, 506507)]