80791280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15073}}^1$

素因数の和:15153

約数の個数: 40

約数和(自身を含む): 190655952

約数和(自身を除く): 109864672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 15073, 30146, 60292, 75365, 120584, 150730, 241168, 301460, 602920, 1009891, 1205840, 2019782, 4039564, 5049455, 8079128, 10098910, 16158256, 20197820, 40395640, 80791280]

約数ペア:

[(1, 80791280), (2, 40395640), (4, 20197820), (5, 16158256), (8, 10098910), (10, 8079128), (16, 5049455), (20, 4039564), (40, 2019782), (67, 1205840), (80, 1009891), (134, 602920), (268, 301460), (335, 241168), (536, 150730), (670, 120584), (1072, 75365), (1340, 60292), (2680, 30146), (5360, 15073)]