25341745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 37904832

約数和(自身を除く): 12563087

約数列:

[1, 5, 11, 13, 23, 55, 65, 67, 115, 143, 253, 299, 335, 529, 715, 737, 871, 1265, 1495, 1541, 2645, 3289, 3685, 4355, 5819, 6877, 7705, 9581, 16445, 16951, 20033, 29095, 34385, 35443, 47905, 75647, 84755, 100165, 177215, 220363, 378235, 389873, 460759, 1101815, 1949365, 2303795, 5068349, 25341745]

約数ペア:

[(1, 25341745), (5, 5068349), (11, 2303795), (13, 1949365), (23, 1101815), (55, 460759), (65, 389873), (67, 378235), (115, 220363), (143, 177215), (253, 100165), (299, 84755), (335, 75647), (529, 47905), (715, 35443), (737, 34385), (871, 29095), (1265, 20033), (1495, 16951), (1541, 16445), (2645, 9581), (3289, 7705), (3685, 6877), (4355, 5819)]