2019454240

素因数分解:

$2^5\times 5^1\times {\mathrm{12621589}}^1$

素因数の和:12621604

約数の個数: 24

約数和(自身を含む): 4770961020

約数和(自身を除く): 2751506780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12621589, 25243178, 50486356, 63107945, 100972712, 126215890, 201945424, 252431780, 403890848, 504863560, 1009727120, 2019454240]

約数ペア:

[(1, 2019454240), (2, 1009727120), (4, 504863560), (5, 403890848), (8, 252431780), (10, 201945424), (16, 126215890), (20, 100972712), (32, 63107945), (40, 50486356), (80, 25243178), (160, 12621589)]