56057660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 121716000

約数和(自身を除く): 65658340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 499, 548, 685, 820, 998, 1370, 1996, 2495, 2740, 4990, 5617, 9980, 11234, 20459, 22468, 28085, 40918, 56170, 68363, 81836, 102295, 112340, 136726, 204590, 273452, 341815, 409180, 683630, 1367260, 2802883, 5605766, 11211532, 14014415, 28028830, 56057660]

約数ペア:

[(1, 56057660), (2, 28028830), (4, 14014415), (5, 11211532), (10, 5605766), (20, 2802883), (41, 1367260), (82, 683630), (137, 409180), (164, 341815), (205, 273452), (274, 204590), (410, 136726), (499, 112340), (548, 102295), (685, 81836), (820, 68363), (998, 56170), (1370, 40918), (1996, 28085), (2495, 22468), (2740, 20459), (4990, 11234), (5617, 9980)]