65443960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 151139520

約数和(自身を除く): 85695560

約数列:

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

約数ペア:

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