1295020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 2759904

約数和(自身を除く): 1464884

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 887, 1460, 1774, 3548, 4435, 8870, 17740, 64751, 129502, 259004, 323755, 647510, 1295020]

約数ペア:

[(1, 1295020), (2, 647510), (4, 323755), (5, 259004), (10, 129502), (20, 64751), (73, 17740), (146, 8870), (292, 4435), (365, 3548), (730, 1774), (887, 1460)]