49556980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 114851520

約数和(自身を除く): 65294540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2531, 3916, 4895, 5062, 9790, 10124, 12655, 19580, 25310, 27841, 50620, 55682, 111364, 139205, 225259, 278410, 450518, 556820, 901036, 1126295, 2252590, 2477849, 4505180, 4955698, 9911396, 12389245, 24778490, 49556980]

約数ペア:

[(1, 49556980), (2, 24778490), (4, 12389245), (5, 9911396), (10, 4955698), (11, 4505180), (20, 2477849), (22, 2252590), (44, 1126295), (55, 901036), (89, 556820), (110, 450518), (178, 278410), (220, 225259), (356, 139205), (445, 111364), (890, 55682), (979, 50620), (1780, 27841), (1958, 25310), (2531, 19580), (3916, 12655), (4895, 10124), (5062, 9790)]