20162560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 32908640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 179, 220, 256, 320, 352, 358, 440, 512, 640, 704, 716, 880, 895, 1024, 1280, 1408, 1432, 1760, 1790, 1969, 2048, 2560, 2816, 2864, 3520, 3580, 3938, 5120, 5632, 5728, 7040, 7160, 7876, 9845, 10240, 11264, 11456, 14080, 14320, 15752, 19690, 22528, 22912, 28160, 28640, 31504, 39380, 45824, 56320, 57280, 63008, 78760, 91648, 112640, 114560, 126016, 157520, 183296, 229120, 252032, 315040, 366592, 458240, 504064, 630080, 916480, 1008128, 1260160, 1832960, 2016256, 2520320, 4032512, 5040640, 10081280, 20162560]

約数ペア:

[(1, 20162560), (2, 10081280), (4, 5040640), (5, 4032512), (8, 2520320), (10, 2016256), (11, 1832960), (16, 1260160), (20, 1008128), (22, 916480), (32, 630080), (40, 504064), (44, 458240), (55, 366592), (64, 315040), (80, 252032), (88, 229120), (110, 183296), (128, 157520), (160, 126016), (176, 114560), (179, 112640), (220, 91648), (256, 78760), (320, 63008), (352, 57280), (358, 56320), (440, 45824), (512, 39380), (640, 31504), (704, 28640), (716, 28160), (880, 22912), (895, 22528), (1024, 19690), (1280, 15752), (1408, 14320), (1432, 14080), (1760, 11456), (1790, 11264), (1969, 10240), (2048, 9845), (2560, 7876), (2816, 7160), (2864, 7040), (3520, 5728), (3580, 5632), (3938, 5120)]