1539080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 3504600

約数和(自身を除く): 1965520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 353, 436, 545, 706, 872, 1090, 1412, 1765, 2180, 2824, 3530, 4360, 7060, 14120, 38477, 76954, 153908, 192385, 307816, 384770, 769540, 1539080]

約数ペア:

[(1, 1539080), (2, 769540), (4, 384770), (5, 307816), (8, 192385), (10, 153908), (20, 76954), (40, 38477), (109, 14120), (218, 7060), (353, 4360), (436, 3530), (545, 2824), (706, 2180), (872, 1765), (1090, 1412)]