90173080

素因数分解:

$2^3\times 5^1\times {\mathrm{2254327}}^1$

素因数の和:2254338

約数の個数: 16

約数和(自身を含む): 202889520

約数和(自身を除く): 112716440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2254327, 4508654, 9017308, 11271635, 18034616, 22543270, 45086540, 90173080]

約数ペア:

[(1, 90173080), (2, 45086540), (4, 22543270), (5, 18034616), (8, 11271635), (10, 9017308), (20, 4508654), (40, 2254327)]