201979975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25013}}^1$

素因数の和:25059

約数の個数: 24

約数和(自身を含む): 279156240

約数和(自身を除く): 77176265

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 25013, 125065, 425221, 475247, 625325, 2126105, 2376235, 8079199, 10630525, 11881175, 40395995, 201979975]

約数ペア:

[(1, 201979975), (5, 40395995), (17, 11881175), (19, 10630525), (25, 8079199), (85, 2376235), (95, 2126105), (323, 625325), (425, 475247), (475, 425221), (1615, 125065), (8075, 25013)]