87218920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{41141}}^1$

素因数の和:41205

約数の個数: 32

約数和(自身を含む): 199950120

約数和(自身を除く): 112731200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 41141, 82282, 164564, 205705, 329128, 411410, 822820, 1645640, 2180473, 4360946, 8721892, 10902365, 17443784, 21804730, 43609460, 87218920]

約数ペア:

[(1, 87218920), (2, 43609460), (4, 21804730), (5, 17443784), (8, 10902365), (10, 8721892), (20, 4360946), (40, 2180473), (53, 1645640), (106, 822820), (212, 411410), (265, 329128), (424, 205705), (530, 164564), (1060, 82282), (2120, 41141)]