39857560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23173}}^1$

素因数の和:23227

約数の個数: 32

約数和(自身を含む): 91769040

約数和(自身を除く): 51911480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23173, 46346, 92692, 115865, 185384, 231730, 463460, 926920, 996439, 1992878, 3985756, 4982195, 7971512, 9964390, 19928780, 39857560]

約数ペア:

[(1, 39857560), (2, 19928780), (4, 9964390), (5, 7971512), (8, 4982195), (10, 3985756), (20, 1992878), (40, 996439), (43, 926920), (86, 463460), (172, 231730), (215, 185384), (344, 115865), (430, 92692), (860, 46346), (1720, 23173)]