130887920

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 312355008

約数和(自身を除く): 181467088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 101, 167, 194, 202, 334, 388, 404, 485, 505, 668, 776, 808, 835, 970, 1010, 1336, 1552, 1616, 1670, 1940, 2020, 2672, 3340, 3880, 4040, 6680, 7760, 8080, 9797, 13360, 16199, 16867, 19594, 32398, 33734, 39188, 48985, 64796, 67468, 78376, 80995, 84335, 97970, 129592, 134936, 156752, 161990, 168670, 195940, 259184, 269872, 323980, 337340, 391880, 647960, 674680, 783760, 1295920, 1349360, 1636099, 3272198, 6544396, 8180495, 13088792, 16360990, 26177584, 32721980, 65443960, 130887920]

約数ペア:

[(1, 130887920), (2, 65443960), (4, 32721980), (5, 26177584), (8, 16360990), (10, 13088792), (16, 8180495), (20, 6544396), (40, 3272198), (80, 1636099), (97, 1349360), (101, 1295920), (167, 783760), (194, 674680), (202, 647960), (334, 391880), (388, 337340), (404, 323980), (485, 269872), (505, 259184), (668, 195940), (776, 168670), (808, 161990), (835, 156752), (970, 134936), (1010, 129592), (1336, 97970), (1552, 84335), (1616, 80995), (1670, 78376), (1940, 67468), (2020, 64796), (2672, 48985), (3340, 39188), (3880, 33734), (4040, 32398), (6680, 19594), (7760, 16867), (8080, 16199), (9797, 13360)]