82005740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1031}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 178403904

約数和(自身を除く): 96398164

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1031, 1940, 2062, 3977, 4124, 5155, 7954, 10310, 15908, 19885, 20620, 39770, 42271, 79540, 84542, 100007, 169084, 200014, 211355, 400028, 422710, 500035, 845420, 1000070, 2000140, 4100287, 8200574, 16401148, 20501435, 41002870, 82005740]

約数ペア:

[(1, 82005740), (2, 41002870), (4, 20501435), (5, 16401148), (10, 8200574), (20, 4100287), (41, 2000140), (82, 1000070), (97, 845420), (164, 500035), (194, 422710), (205, 400028), (388, 211355), (410, 200014), (485, 169084), (820, 100007), (970, 84542), (1031, 79540), (1940, 42271), (2062, 39770), (3977, 20620), (4124, 19885), (5155, 15908), (7954, 10310)]