78786640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14699}}^1$

素因数の和:14779

約数の個数: 40

約数和(自身を含む): 185925600

約数和(自身を除く): 107138960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 14699, 29398, 58796, 73495, 117592, 146990, 235184, 293980, 587960, 984833, 1175920, 1969666, 3939332, 4924165, 7878664, 9848330, 15757328, 19696660, 39393320, 78786640]

約数ペア:

[(1, 78786640), (2, 39393320), (4, 19696660), (5, 15757328), (8, 9848330), (10, 7878664), (16, 4924165), (20, 3939332), (40, 1969666), (67, 1175920), (80, 984833), (134, 587960), (268, 293980), (335, 235184), (536, 146990), (670, 117592), (1072, 73495), (1340, 58796), (2680, 29398), (5360, 14699)]