2053209320

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{23753}}^1$

素因数の和:25925

約数の個数: 32

約数和(自身を含む): 4622053320

約数和(自身を除く): 2568844000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 21610, 23753, 43220, 47506, 86440, 95012, 118765, 190024, 237530, 475060, 950120, 51330233, 102660466, 205320932, 256651165, 410641864, 513302330, 1026604660, 2053209320]

約数ペア:

[(1, 2053209320), (2, 1026604660), (4, 513302330), (5, 410641864), (8, 256651165), (10, 205320932), (20, 102660466), (40, 51330233), (2161, 950120), (4322, 475060), (8644, 237530), (10805, 190024), (17288, 118765), (21610, 95012), (23753, 86440), (43220, 47506)]