28357580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19423}}^1$

素因数の和:19505

約数の個数: 24

約数和(自身を含む): 60369792

約数和(自身を除く): 32012212

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19423, 38846, 77692, 97115, 194230, 388460, 1417879, 2835758, 5671516, 7089395, 14178790, 28357580]

約数ペア:

[(1, 28357580), (2, 14178790), (4, 7089395), (5, 5671516), (10, 2835758), (20, 1417879), (73, 388460), (146, 194230), (292, 97115), (365, 77692), (730, 38846), (1460, 19423)]