2561570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 5314680

約数和(自身を除く): 2753110

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 73, 110, 121, 145, 146, 242, 290, 319, 365, 605, 638, 730, 803, 1210, 1595, 1606, 2117, 3190, 3509, 4015, 4234, 7018, 8030, 8833, 10585, 17545, 17666, 21170, 23287, 35090, 44165, 46574, 88330, 116435, 232870, 256157, 512314, 1280785, 2561570]

約数ペア:

[(1, 2561570), (2, 1280785), (5, 512314), (10, 256157), (11, 232870), (22, 116435), (29, 88330), (55, 46574), (58, 44165), (73, 35090), (110, 23287), (121, 21170), (145, 17666), (146, 17545), (242, 10585), (290, 8833), (319, 8030), (365, 7018), (605, 4234), (638, 4015), (730, 3509), (803, 3190), (1210, 2117), (1595, 1606)]