1561491040

素因数分解:

$2^5\times 5^1\times {\mathrm{9759319}}^1$

素因数の和:9759334

約数の個数: 24

約数和(自身を含む): 3689022960

約数和(自身を除く): 2127531920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 9759319, 19518638, 39037276, 48796595, 78074552, 97593190, 156149104, 195186380, 312298208, 390372760, 780745520, 1561491040]

約数ペア:

[(1, 1561491040), (2, 780745520), (4, 390372760), (5, 312298208), (8, 195186380), (10, 156149104), (16, 97593190), (20, 78074552), (32, 48796595), (40, 39037276), (80, 19518638), (160, 9759319)]