2019920480

素因数分解:

$2^5\times 5^1\times {\mathrm{12624503}}^1$

素因数の和:12624518

約数の個数: 24

約数和(自身を含む): 4772062512

約数和(自身を除く): 2752142032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12624503, 25249006, 50498012, 63122515, 100996024, 126245030, 201992048, 252490060, 403984096, 504980120, 1009960240, 2019920480]

約数ペア:

[(1, 2019920480), (2, 1009960240), (4, 504980120), (5, 403984096), (8, 252490060), (10, 201992048), (16, 126245030), (20, 100996024), (32, 63122515), (40, 50498012), (80, 25249006), (160, 12624503)]