266760920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{48679}}^1$

素因数の和:48827

約数の個数: 32

約数和(自身を含む): 604605600

約数和(自身を除く): 337844680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 48679, 97358, 194716, 243395, 389432, 486790, 973580, 1947160, 6669023, 13338046, 26676092, 33345115, 53352184, 66690230, 133380460, 266760920]

約数ペア:

[(1, 266760920), (2, 133380460), (4, 66690230), (5, 53352184), (8, 33345115), (10, 26676092), (20, 13338046), (40, 6669023), (137, 1947160), (274, 973580), (548, 486790), (685, 389432), (1096, 243395), (1370, 194716), (2740, 97358), (5480, 48679)]