140006920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{66041}}^1$

素因数の和:66105

約数の個数: 32

約数和(自身を含む): 320964120

約数和(自身を除く): 180957200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 66041, 132082, 264164, 330205, 528328, 660410, 1320820, 2641640, 3500173, 7000346, 14000692, 17500865, 28001384, 35001730, 70003460, 140006920]

約数ペア:

[(1, 140006920), (2, 70003460), (4, 35001730), (5, 28001384), (8, 17500865), (10, 14000692), (20, 7000346), (40, 3500173), (53, 2641640), (106, 1320820), (212, 660410), (265, 528328), (424, 330205), (530, 264164), (1060, 132082), (2120, 66041)]