2592040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 6557760

約数和(自身を除く): 3965720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 137, 172, 215, 220, 274, 344, 430, 440, 473, 548, 685, 860, 946, 1096, 1370, 1507, 1720, 1892, 2365, 2740, 3014, 3784, 4730, 5480, 5891, 6028, 7535, 9460, 11782, 12056, 15070, 18920, 23564, 29455, 30140, 47128, 58910, 60280, 64801, 117820, 129602, 235640, 259204, 324005, 518408, 648010, 1296020, 2592040]

約数ペア:

[(1, 2592040), (2, 1296020), (4, 648010), (5, 518408), (8, 324005), (10, 259204), (11, 235640), (20, 129602), (22, 117820), (40, 64801), (43, 60280), (44, 58910), (55, 47128), (86, 30140), (88, 29455), (110, 23564), (137, 18920), (172, 15070), (215, 12056), (220, 11782), (274, 9460), (344, 7535), (430, 6028), (440, 5891), (473, 5480), (548, 4730), (685, 3784), (860, 3014), (946, 2740), (1096, 2365), (1370, 1892), (1507, 1720)]