28566320

素因数分解:

$2^4\times 5^1\times {\mathrm{357079}}^1$

素因数の和:357092

約数の個数: 20

約数和(自身を含む): 66416880

約数和(自身を除く): 37850560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357079, 714158, 1428316, 1785395, 2856632, 3570790, 5713264, 7141580, 14283160, 28566320]

約数ペア:

[(1, 28566320), (2, 14283160), (4, 7141580), (5, 5713264), (8, 3570790), (10, 2856632), (16, 1785395), (20, 1428316), (40, 714158), (80, 357079)]