12897280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:265

約数の個数: 88

約数和(自身を含む): 33898320

約数和(自身を除く): 21001040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 229, 256, 320, 352, 440, 458, 512, 640, 704, 880, 916, 1024, 1145, 1280, 1408, 1760, 1832, 2290, 2519, 2560, 2816, 3520, 3664, 4580, 5038, 5120, 5632, 7040, 7328, 9160, 10076, 11264, 12595, 14080, 14656, 18320, 20152, 25190, 28160, 29312, 36640, 40304, 50380, 56320, 58624, 73280, 80608, 100760, 117248, 146560, 161216, 201520, 234496, 293120, 322432, 403040, 586240, 644864, 806080, 1172480, 1289728, 1612160, 2579456, 3224320, 6448640, 12897280]

約数ペア:

[(1, 12897280), (2, 6448640), (4, 3224320), (5, 2579456), (8, 1612160), (10, 1289728), (11, 1172480), (16, 806080), (20, 644864), (22, 586240), (32, 403040), (40, 322432), (44, 293120), (55, 234496), (64, 201520), (80, 161216), (88, 146560), (110, 117248), (128, 100760), (160, 80608), (176, 73280), (220, 58624), (229, 56320), (256, 50380), (320, 40304), (352, 36640), (440, 29312), (458, 28160), (512, 25190), (640, 20152), (704, 18320), (880, 14656), (916, 14080), (1024, 12595), (1145, 11264), (1280, 10076), (1408, 9160), (1760, 7328), (1832, 7040), (2290, 5632), (2519, 5120), (2560, 5038), (2816, 4580), (3520, 3664)]