89898320

素因数分解:

$2^4\times 5^1\times {\mathrm{1123729}}^1$

素因数の和:1123742

約数の個数: 20

約数和(自身を含む): 209013780

約数和(自身を除く): 119115460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123729, 2247458, 4494916, 5618645, 8989832, 11237290, 17979664, 22474580, 44949160, 89898320]

約数ペア:

[(1, 89898320), (2, 44949160), (4, 22474580), (5, 17979664), (8, 11237290), (10, 8989832), (16, 5618645), (20, 4494916), (40, 2247458), (80, 1123729)]