1292860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 2741760

約数和(自身を除く): 1448900

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 509, 635, 1018, 1270, 2036, 2540, 2545, 5090, 10180, 64643, 129286, 258572, 323215, 646430, 1292860]

約数ペア:

[(1, 1292860), (2, 646430), (4, 323215), (5, 258572), (10, 129286), (20, 64643), (127, 10180), (254, 5090), (508, 2545), (509, 2540), (635, 2036), (1018, 1270)]