2406280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 5544000

約数和(自身を除く): 3137720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1399, 1720, 2798, 5596, 6995, 11192, 13990, 27980, 55960, 60157, 120314, 240628, 300785, 481256, 601570, 1203140, 2406280]

約数ペア:

[(1, 2406280), (2, 1203140), (4, 601570), (5, 481256), (8, 300785), (10, 240628), (20, 120314), (40, 60157), (43, 55960), (86, 27980), (172, 13990), (215, 11192), (344, 6995), (430, 5596), (860, 2798), (1399, 1720)]