51558980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 119085120

約数和(自身を除く): 67526140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 1789, 2620, 2882, 3578, 5764, 7156, 7205, 8945, 14410, 17890, 19679, 28820, 35780, 39358, 78716, 98395, 196790, 234359, 393580, 468718, 937436, 1171795, 2343590, 2577949, 4687180, 5155898, 10311796, 12889745, 25779490, 51558980]

約数ペア:

[(1, 51558980), (2, 25779490), (4, 12889745), (5, 10311796), (10, 5155898), (11, 4687180), (20, 2577949), (22, 2343590), (44, 1171795), (55, 937436), (110, 468718), (131, 393580), (220, 234359), (262, 196790), (524, 98395), (655, 78716), (1310, 39358), (1441, 35780), (1789, 28820), (2620, 19679), (2882, 17890), (3578, 14410), (5764, 8945), (7156, 7205)]