85442540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{27211}}^1$

素因数の和:27377

約数の個数: 24

約数和(自身を含む): 180578832

約数和(自身を除く): 95136292

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 27211, 54422, 108844, 136055, 272110, 544220, 4272127, 8544254, 17088508, 21360635, 42721270, 85442540]

約数ペア:

[(1, 85442540), (2, 42721270), (4, 21360635), (5, 17088508), (10, 8544254), (20, 4272127), (157, 544220), (314, 272110), (628, 136055), (785, 108844), (1570, 54422), (3140, 27211)]