89943760

素因数分解:

$2^4\times 5^1\times {\mathrm{1124297}}^1$

素因数の和:1124310

約数の個数: 20

約数和(自身を含む): 209119428

約数和(自身を除く): 119175668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1124297, 2248594, 4497188, 5621485, 8994376, 11242970, 17988752, 22485940, 44971880, 89943760]

約数ペア:

[(1, 89943760), (2, 44971880), (4, 22485940), (5, 17988752), (8, 11242970), (10, 8994376), (16, 5621485), (20, 4497188), (40, 2248594), (80, 1124297)]