200021225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{643}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 259691712

約数和(自身を除く): 59670487

約数列:

[1, 5, 23, 25, 115, 541, 575, 643, 2705, 3215, 12443, 13525, 14789, 16075, 62215, 73945, 311075, 347863, 369725, 1739315, 8000849, 8696575, 40004245, 200021225]

約数ペア:

[(1, 200021225), (5, 40004245), (23, 8696575), (25, 8000849), (115, 1739315), (541, 369725), (575, 347863), (643, 311075), (2705, 73945), (3215, 62215), (12443, 16075), (13525, 14789)]