91621720

素因数分解:

$2^3\times 5^1\times {\mathrm{2290543}}^1$

素因数の和:2290554

約数の個数: 16

約数和(自身を含む): 206148960

約数和(自身を除く): 114527240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2290543, 4581086, 9162172, 11452715, 18324344, 22905430, 45810860, 91621720]

約数ペア:

[(1, 91621720), (2, 45810860), (4, 22905430), (5, 18324344), (8, 11452715), (10, 9162172), (20, 4581086), (40, 2290543)]