2019693460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1278287}}^1$

素因数の和:1278375

約数の個数: 24

約数和(自身を含む): 4295047680

約数和(自身を除く): 2275354220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1278287, 2556574, 5113148, 6391435, 12782870, 25565740, 100984673, 201969346, 403938692, 504923365, 1009846730, 2019693460]

約数ペア:

[(1, 2019693460), (2, 1009846730), (4, 504923365), (5, 403938692), (10, 201969346), (20, 100984673), (79, 25565740), (158, 12782870), (316, 6391435), (395, 5113148), (790, 2556574), (1580, 1278287)]