28853980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19763}}^1$

素因数の和:19845

約数の個数: 24

約数和(自身を含む): 61426512

約数和(自身を除く): 32572532

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19763, 39526, 79052, 98815, 197630, 395260, 1442699, 2885398, 5770796, 7213495, 14426990, 28853980]

約数ペア:

[(1, 28853980), (2, 14426990), (4, 7213495), (5, 5770796), (10, 2885398), (20, 1442699), (73, 395260), (146, 197630), (292, 98815), (365, 79052), (730, 39526), (1460, 19763)]