90722260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{105491}}^1$

素因数の和:105543

約数の個数: 24

約数和(自身を含む): 194949216

約数和(自身を除く): 104226956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 105491, 210982, 421964, 527455, 1054910, 2109820, 4536113, 9072226, 18144452, 22680565, 45361130, 90722260]

約数ペア:

[(1, 90722260), (2, 45361130), (4, 22680565), (5, 18144452), (10, 9072226), (20, 4536113), (43, 2109820), (86, 1054910), (172, 527455), (215, 421964), (430, 210982), (860, 105491)]