161825180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9311}}^1$

素因数の和:9410

約数の個数: 48

約数和(自身を含む): 375459840

約数和(自身を除く): 213634660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 9311, 17380, 18622, 37244, 46555, 93110, 102421, 186220, 204842, 409684, 512105, 735569, 1024210, 1471138, 2048420, 2942276, 3677845, 7355690, 8091259, 14711380, 16182518, 32365036, 40456295, 80912590, 161825180]

約数ペア:

[(1, 161825180), (2, 80912590), (4, 40456295), (5, 32365036), (10, 16182518), (11, 14711380), (20, 8091259), (22, 7355690), (44, 3677845), (55, 2942276), (79, 2048420), (110, 1471138), (158, 1024210), (220, 735569), (316, 512105), (395, 409684), (790, 204842), (869, 186220), (1580, 102421), (1738, 93110), (3476, 46555), (4345, 37244), (8690, 18622), (9311, 17380)]