77981320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102607}}^1$

素因数の和:102637

約数の個数: 32

約数和(自身を含む): 184694400

約数和(自身を除く): 106713080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 102607, 205214, 410428, 513035, 820856, 1026070, 1949533, 2052140, 3899066, 4104280, 7798132, 9747665, 15596264, 19495330, 38990660, 77981320]

約数ペア:

[(1, 77981320), (2, 38990660), (4, 19495330), (5, 15596264), (8, 9747665), (10, 7798132), (19, 4104280), (20, 3899066), (38, 2052140), (40, 1949533), (76, 1026070), (95, 820856), (152, 513035), (190, 410428), (380, 205214), (760, 102607)]