208664990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{5039}}^1$

素因数の和:5188

約数の個数: 32

約数和(自身を含む): 388644480

約数和(自身を除く): 179979490

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 505, 1010, 4141, 5039, 8282, 10078, 20705, 25195, 41410, 50390, 206599, 413198, 508939, 1017878, 1032995, 2065990, 2544695, 5089390, 20866499, 41732998, 104332495, 208664990]

約数ペア:

[(1, 208664990), (2, 104332495), (5, 41732998), (10, 20866499), (41, 5089390), (82, 2544695), (101, 2065990), (202, 1032995), (205, 1017878), (410, 508939), (505, 413198), (1010, 206599), (4141, 50390), (5039, 41410), (8282, 25195), (10078, 20705)]