28626320

素因数分解:

$2^4\times 5^1\times {\mathrm{357829}}^1$

素因数の和:357842

約数の個数: 20

約数和(自身を含む): 66556380

約数和(自身を除く): 37930060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357829, 715658, 1431316, 1789145, 2862632, 3578290, 5725264, 7156580, 14313160, 28626320]

約数ペア:

[(1, 28626320), (2, 14313160), (4, 7156580), (5, 5725264), (8, 3578290), (10, 2862632), (16, 1789145), (20, 1431316), (40, 715658), (80, 357829)]