2509480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 32

約数和(自身を含む): 5781600

約数和(自身を除く): 3272120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1459, 1720, 2918, 5836, 7295, 11672, 14590, 29180, 58360, 62737, 125474, 250948, 313685, 501896, 627370, 1254740, 2509480]

約数ペア:

[(1, 2509480), (2, 1254740), (4, 627370), (5, 501896), (8, 313685), (10, 250948), (20, 125474), (40, 62737), (43, 58360), (86, 29180), (172, 14590), (215, 11672), (344, 7295), (430, 5836), (860, 2918), (1459, 1720)]