3215840

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 7711200

約数和(自身を除く): 4495360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 199, 202, 398, 404, 505, 796, 808, 995, 1010, 1592, 1616, 1990, 2020, 3184, 3232, 3980, 4040, 6368, 7960, 8080, 15920, 16160, 20099, 31840, 40198, 80396, 100495, 160792, 200990, 321584, 401980, 643168, 803960, 1607920, 3215840]

約数ペア:

[(1, 3215840), (2, 1607920), (4, 803960), (5, 643168), (8, 401980), (10, 321584), (16, 200990), (20, 160792), (32, 100495), (40, 80396), (80, 40198), (101, 31840), (160, 20099), (199, 16160), (202, 15920), (398, 8080), (404, 7960), (505, 6368), (796, 4040), (808, 3980), (995, 3232), (1010, 3184), (1592, 2020), (1616, 1990)]