2019940640

素因数分解:

$2^5\times 5^1\times {\mathrm{12624629}}^1$

素因数の和:12624644

約数の個数: 24

約数和(自身を含む): 4772110140

約数和(自身を除く): 2752169500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12624629, 25249258, 50498516, 63123145, 100997032, 126246290, 201994064, 252492580, 403988128, 504985160, 1009970320, 2019940640]

約数ペア:

[(1, 2019940640), (2, 1009970320), (4, 504985160), (5, 403988128), (8, 252492580), (10, 201994064), (16, 126246290), (20, 100997032), (32, 63123145), (40, 50498516), (80, 25249258), (160, 12624629)]