82290920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 189665280

約数和(自身を除く): 107374360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 127, 167, 194, 254, 334, 388, 485, 508, 635, 668, 776, 835, 970, 1016, 1270, 1336, 1670, 1940, 2540, 3340, 3880, 5080, 6680, 12319, 16199, 21209, 24638, 32398, 42418, 49276, 61595, 64796, 80995, 84836, 98552, 106045, 123190, 129592, 161990, 169672, 212090, 246380, 323980, 424180, 492760, 647960, 848360, 2057273, 4114546, 8229092, 10286365, 16458184, 20572730, 41145460, 82290920]

約数ペア:

[(1, 82290920), (2, 41145460), (4, 20572730), (5, 16458184), (8, 10286365), (10, 8229092), (20, 4114546), (40, 2057273), (97, 848360), (127, 647960), (167, 492760), (194, 424180), (254, 323980), (334, 246380), (388, 212090), (485, 169672), (508, 161990), (635, 129592), (668, 123190), (776, 106045), (835, 98552), (970, 84836), (1016, 80995), (1270, 64796), (1336, 61595), (1670, 49276), (1940, 42418), (2540, 32398), (3340, 24638), (3880, 21209), (5080, 16199), (6680, 12319)]