80836510

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{12611}}^1$

素因数の和:13259

約数の個数: 16

約数和(自身を含む): 145744272

約数和(自身を除く): 64907762

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 12611, 25222, 63055, 126110, 8083651, 16167302, 40418255, 80836510]

約数ペア:

[(1, 80836510), (2, 40418255), (5, 16167302), (10, 8083651), (641, 126110), (1282, 63055), (3205, 25222), (6410, 12611)]