2019080240

素因数分解:

$2^4\times 5^1\times {\mathrm{25238503}}^1$

素因数の和:25238516

約数の個数: 20

約数和(自身を含む): 4694361744

約数和(自身を除く): 2675281504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25238503, 50477006, 100954012, 126192515, 201908024, 252385030, 403816048, 504770060, 1009540120, 2019080240]

約数ペア:

[(1, 2019080240), (2, 1009540120), (4, 504770060), (5, 403816048), (8, 252385030), (10, 201908024), (16, 126192515), (20, 100954012), (40, 50477006), (80, 25238503)]