2405720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 5464800

約数和(自身を除く): 3059080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 439, 548, 685, 878, 1096, 1370, 1756, 2195, 2740, 3512, 4390, 5480, 8780, 17560, 60143, 120286, 240572, 300715, 481144, 601430, 1202860, 2405720]

約数ペア:

[(1, 2405720), (2, 1202860), (4, 601430), (5, 481144), (8, 300715), (10, 240572), (20, 120286), (40, 60143), (137, 17560), (274, 8780), (439, 5480), (548, 4390), (685, 3512), (878, 2740), (1096, 2195), (1370, 1756)]