204401720

素因数分解:

$2^3\times 5^1\times {\mathrm{5110043}}^1$

素因数の和:5110054

約数の個数: 16

約数和(自身を含む): 459903960

約数和(自身を除く): 255502240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5110043, 10220086, 20440172, 25550215, 40880344, 51100430, 102200860, 204401720]

約数ペア:

[(1, 204401720), (2, 102200860), (4, 51100430), (5, 40880344), (8, 25550215), (10, 20440172), (20, 10220086), (40, 5110043)]