105940820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 232581888

約数和(自身を除く): 126641068

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 2621, 4042, 5242, 8084, 10105, 10484, 13105, 20210, 26210, 40420, 52420, 112703, 123187, 225406, 246374, 450812, 492748, 563515, 615935, 1127030, 1231870, 2254060, 2463740, 5297041, 10594082, 21188164, 26485205, 52970410, 105940820]

約数ペア:

[(1, 105940820), (2, 52970410), (4, 26485205), (5, 21188164), (10, 10594082), (20, 5297041), (43, 2463740), (47, 2254060), (86, 1231870), (94, 1127030), (172, 615935), (188, 563515), (215, 492748), (235, 450812), (430, 246374), (470, 225406), (860, 123187), (940, 112703), (2021, 52420), (2621, 40420), (4042, 26210), (5242, 20210), (8084, 13105), (10105, 10484)]