25229420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43499}}^1$

素因数の和:43537

約数の個数: 24

約数和(自身を含む): 54810000

約数和(自身を除く): 29580580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 43499, 86998, 173996, 217495, 434990, 869980, 1261471, 2522942, 5045884, 6307355, 12614710, 25229420]

約数ペア:

[(1, 25229420), (2, 12614710), (4, 6307355), (5, 5045884), (10, 2522942), (20, 1261471), (29, 869980), (58, 434990), (116, 217495), (145, 173996), (290, 86998), (580, 43499)]