77821460

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20161}}^1$

素因数の和:20363

約数の個数: 24

約数和(自身を含む): 164279976

約数和(自身を除く): 86458516

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 20161, 40322, 80644, 100805, 201610, 403220, 3891073, 7782146, 15564292, 19455365, 38910730, 77821460]

約数ペア:

[(1, 77821460), (2, 38910730), (4, 19455365), (5, 15564292), (10, 7782146), (20, 3891073), (193, 403220), (386, 201610), (772, 100805), (965, 80644), (1930, 40322), (3860, 20161)]