2019161840

素因数分解:

$2^4\times 5^1\times {\mathrm{25239523}}^1$

素因数の和:25239536

約数の個数: 20

約数和(自身を含む): 4694551464

約数和(自身を除く): 2675389624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25239523, 50479046, 100958092, 126197615, 201916184, 252395230, 403832368, 504790460, 1009580920, 2019161840]

約数ペア:

[(1, 2019161840), (2, 1009580920), (4, 504790460), (5, 403832368), (8, 252395230), (10, 201916184), (16, 126197615), (20, 100958092), (40, 50479046), (80, 25239523)]