25578190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21139}}^1$

素因数の和:21168

約数の個数: 24

約数和(自身を含む): 50609160

約数和(自身を除く): 25030970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 21139, 42278, 105695, 211390, 232529, 465058, 1162645, 2325290, 2557819, 5115638, 12789095, 25578190]

約数ペア:

[(1, 25578190), (2, 12789095), (5, 5115638), (10, 2557819), (11, 2325290), (22, 1162645), (55, 465058), (110, 232529), (121, 211390), (242, 105695), (605, 42278), (1210, 21139)]