28706320

素因数分解:

$2^4\times 5^1\times {\mathrm{358829}}^1$

素因数の和:358842

約数の個数: 20

約数和(自身を含む): 66742380

約数和(自身を除く): 38036060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358829, 717658, 1435316, 1794145, 2870632, 3588290, 5741264, 7176580, 14353160, 28706320]

約数ペア:

[(1, 28706320), (2, 14353160), (4, 7176580), (5, 5741264), (8, 3588290), (10, 2870632), (16, 1794145), (20, 1435316), (40, 717658), (80, 358829)]