12869120

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 33734448

約数和(自身を除く): 20865328

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, 256, 320, 352, 440, 457, 512, 640, 704, 880, 914, 1280, 1408, 1760, 1828, 2285, 2560, 2816, 3520, 3656, 4570, 5027, 5632, 7040, 7312, 9140, 10054, 14080, 14624, 18280, 20108, 25135, 28160, 29248, 36560, 40216, 50270, 58496, 73120, 80432, 100540, 116992, 146240, 160864, 201080, 233984, 292480, 321728, 402160, 584960, 643456, 804320, 1169920, 1286912, 1608640, 2573824, 3217280, 6434560, 12869120]

約数ペア:

[(1, 12869120), (2, 6434560), (4, 3217280), (5, 2573824), (8, 1608640), (10, 1286912), (11, 1169920), (16, 804320), (20, 643456), (22, 584960), (32, 402160), (40, 321728), (44, 292480), (55, 233984), (64, 201080), (80, 160864), (88, 146240), (110, 116992), (128, 100540), (160, 80432), (176, 73120), (220, 58496), (256, 50270), (320, 40216), (352, 36560), (440, 29248), (457, 28160), (512, 25135), (640, 20108), (704, 18280), (880, 14624), (914, 14080), (1280, 10054), (1408, 9140), (1760, 7312), (1828, 7040), (2285, 5632), (2560, 5027), (2816, 4570), (3520, 3656)]