47961980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19819}}^1$

素因数の和:19850

約数の個数: 36

約数和(自身を含む): 110714520

約数和(自身を除く): 62752540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 19819, 39638, 79276, 99095, 198190, 218009, 396380, 436018, 872036, 1090045, 2180090, 2398099, 4360180, 4796198, 9592396, 11990495, 23980990, 47961980]

約数ペア:

[(1, 47961980), (2, 23980990), (4, 11990495), (5, 9592396), (10, 4796198), (11, 4360180), (20, 2398099), (22, 2180090), (44, 1090045), (55, 872036), (110, 436018), (121, 396380), (220, 218009), (242, 198190), (484, 99095), (605, 79276), (1210, 39638), (2420, 19819)]