25720585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 10175735

約数列:

[1, 5, 11, 19, 55, 95, 151, 163, 209, 755, 815, 1045, 1661, 1793, 2869, 3097, 8305, 8965, 14345, 15485, 24613, 31559, 34067, 123065, 157795, 170335, 270743, 467647, 1353715, 2338235, 5144117, 25720585]

約数ペア:

[(1, 25720585), (5, 5144117), (11, 2338235), (19, 1353715), (55, 467647), (95, 270743), (151, 170335), (163, 157795), (209, 123065), (755, 34067), (815, 31559), (1045, 24613), (1661, 15485), (1793, 14345), (2869, 8965), (3097, 8305)]