30860980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11779}}^1$

素因数の和:11919

約数の個数: 24

約数和(自身を含む): 65308320

約数和(自身を除く): 34447340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11779, 23558, 47116, 58895, 117790, 235580, 1543049, 3086098, 6172196, 7715245, 15430490, 30860980]

約数ペア:

[(1, 30860980), (2, 15430490), (4, 7715245), (5, 6172196), (10, 3086098), (20, 1543049), (131, 235580), (262, 117790), (524, 58895), (655, 47116), (1310, 23558), (2620, 11779)]