2427640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 5514480

約数和(自身を除く): 3086840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 443, 548, 685, 886, 1096, 1370, 1772, 2215, 2740, 3544, 4430, 5480, 8860, 17720, 60691, 121382, 242764, 303455, 485528, 606910, 1213820, 2427640]

約数ペア:

[(1, 2427640), (2, 1213820), (4, 606910), (5, 485528), (8, 303455), (10, 242764), (20, 121382), (40, 60691), (137, 17720), (274, 8860), (443, 5480), (548, 4430), (685, 3544), (886, 2740), (1096, 2215), (1370, 1772)]