86238640

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5417}}^1$

素因数の和:5629

約数の個数: 40

約数和(自身を含む): 201549600

約数和(自身を除く): 115310960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5417, 7960, 10834, 15920, 21668, 27085, 43336, 54170, 86672, 108340, 216680, 433360, 1077983, 2155966, 4311932, 5389915, 8623864, 10779830, 17247728, 21559660, 43119320, 86238640]

約数ペア:

[(1, 86238640), (2, 43119320), (4, 21559660), (5, 17247728), (8, 10779830), (10, 8623864), (16, 5389915), (20, 4311932), (40, 2155966), (80, 1077983), (199, 433360), (398, 216680), (796, 108340), (995, 86672), (1592, 54170), (1990, 43336), (3184, 27085), (3980, 21668), (5417, 15920), (7960, 10834)]