25220780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97003}}^1$

素因数の和:97025

約数の個数: 24

約数和(自身を含む): 57038352

約数和(自身を除く): 31817572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97003, 194006, 388012, 485015, 970030, 1261039, 1940060, 2522078, 5044156, 6305195, 12610390, 25220780]

約数ペア:

[(1, 25220780), (2, 12610390), (4, 6305195), (5, 5044156), (10, 2522078), (13, 1940060), (20, 1261039), (26, 970030), (52, 485015), (65, 388012), (130, 194006), (260, 97003)]