4007860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 9072000

約数和(自身を除く): 5064140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 199, 212, 265, 380, 398, 530, 796, 995, 1007, 1060, 1990, 2014, 3781, 3980, 4028, 5035, 7562, 10070, 10547, 15124, 18905, 20140, 21094, 37810, 42188, 52735, 75620, 105470, 200393, 210940, 400786, 801572, 1001965, 2003930, 4007860]

約数ペア:

[(1, 4007860), (2, 2003930), (4, 1001965), (5, 801572), (10, 400786), (19, 210940), (20, 200393), (38, 105470), (53, 75620), (76, 52735), (95, 42188), (106, 37810), (190, 21094), (199, 20140), (212, 18905), (265, 15124), (380, 10547), (398, 10070), (530, 7562), (796, 5035), (995, 4028), (1007, 3980), (1060, 3781), (1990, 2014)]