164076173840

素因数分解:

$2^4\times 5^1\times {\mathrm{2050952173}}^1$

素因数の和:2050952186

約数の個数: 20

約数和(自身を含む): 381477104364

約数和(自身を除く): 217400930524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2050952173, 4101904346, 8203808692, 10254760865, 16407617384, 20509521730, 32815234768, 41019043460, 82038086920, 164076173840]

約数ペア:

[(1, 164076173840), (2, 82038086920), (4, 41019043460), (5, 32815234768), (8, 20509521730), (10, 16407617384), (16, 10254760865), (20, 8203808692), (40, 4101904346), (80, 2050952173)]