28104340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127747}}^1$

素因数の和:127767

約数の個数: 24

約数和(自身を含む): 64384992

約数和(自身を除く): 36280652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127747, 255494, 510988, 638735, 1277470, 1405217, 2554940, 2810434, 5620868, 7026085, 14052170, 28104340]

約数ペア:

[(1, 28104340), (2, 14052170), (4, 7026085), (5, 5620868), (10, 2810434), (11, 2554940), (20, 1405217), (22, 1277470), (44, 638735), (55, 510988), (110, 255494), (220, 127747)]