2049520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 5544288

約数和(自身を除く): 3494768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 137, 170, 176, 187, 220, 272, 274, 340, 374, 440, 548, 680, 685, 748, 880, 935, 1096, 1360, 1370, 1496, 1507, 1870, 2192, 2329, 2740, 2992, 3014, 3740, 4658, 5480, 6028, 7480, 7535, 9316, 10960, 11645, 12056, 14960, 15070, 18632, 23290, 24112, 25619, 30140, 37264, 46580, 51238, 60280, 93160, 102476, 120560, 128095, 186320, 204952, 256190, 409904, 512380, 1024760, 2049520]

約数ペア:

[(1, 2049520), (2, 1024760), (4, 512380), (5, 409904), (8, 256190), (10, 204952), (11, 186320), (16, 128095), (17, 120560), (20, 102476), (22, 93160), (34, 60280), (40, 51238), (44, 46580), (55, 37264), (68, 30140), (80, 25619), (85, 24112), (88, 23290), (110, 18632), (136, 15070), (137, 14960), (170, 12056), (176, 11645), (187, 10960), (220, 9316), (272, 7535), (274, 7480), (340, 6028), (374, 5480), (440, 4658), (548, 3740), (680, 3014), (685, 2992), (748, 2740), (880, 2329), (935, 2192), (1096, 1870), (1360, 1507), (1370, 1496)]