91408840

素因数分解:

$2^3\times 5^1\times {\mathrm{2285221}}^1$

素因数の和:2285232

約数の個数: 16

約数和(自身を含む): 205669980

約数和(自身を除く): 114261140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2285221, 4570442, 9140884, 11426105, 18281768, 22852210, 45704420, 91408840]

約数ペア:

[(1, 91408840), (2, 45704420), (4, 22852210), (5, 18281768), (8, 11426105), (10, 9140884), (20, 4570442), (40, 2285221)]