67286920

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1303}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 151629120

約数和(自身を除く): 84342200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 1303, 2582, 2606, 5164, 5212, 6455, 6515, 10328, 10424, 12910, 13030, 25820, 26060, 51640, 52120, 1682173, 3364346, 6728692, 8410865, 13457384, 16821730, 33643460, 67286920]

約数ペア:

[(1, 67286920), (2, 33643460), (4, 16821730), (5, 13457384), (8, 8410865), (10, 6728692), (20, 3364346), (40, 1682173), (1291, 52120), (1303, 51640), (2582, 26060), (2606, 25820), (5164, 13030), (5212, 12910), (6455, 10424), (6515, 10328)]