87567280

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3049}}^1$

素因数の和:3421

約数の個数: 40

約数和(自身を含む): 204228000

約数和(自身を除く): 116660720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3049, 3590, 5744, 6098, 7180, 12196, 14360, 15245, 24392, 28720, 30490, 48784, 60980, 121960, 243920, 1094591, 2189182, 4378364, 5472955, 8756728, 10945910, 17513456, 21891820, 43783640, 87567280]

約数ペア:

[(1, 87567280), (2, 43783640), (4, 21891820), (5, 17513456), (8, 10945910), (10, 8756728), (16, 5472955), (20, 4378364), (40, 2189182), (80, 1094591), (359, 243920), (718, 121960), (1436, 60980), (1795, 48784), (2872, 30490), (3049, 28720), (3590, 24392), (5744, 15245), (6098, 14360), (7180, 12196)]