205128767825

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{692009}}^1$

素因数の和:692257

約数の個数: 24

約数和(自身を含む): 259487141760

約数和(自身を除く): 54358373935

約数列:

[1, 5, 25, 71, 167, 355, 835, 1775, 4175, 11857, 59285, 296425, 692009, 3460045, 17300225, 49132639, 115565503, 245663195, 577827515, 1228315975, 2889137575, 8205150713, 41025753565, 205128767825]

約数ペア:

[(1, 205128767825), (5, 41025753565), (25, 8205150713), (71, 2889137575), (167, 1228315975), (355, 577827515), (835, 245663195), (1775, 115565503), (4175, 49132639), (11857, 17300225), (59285, 3460045), (296425, 692009)]