90110480

素因数分解:

$2^4\times 5^1\times {\mathrm{1126381}}^1$

素因数の和:1126394

約数の個数: 20

約数和(自身を含む): 209507052

約数和(自身を除く): 119396572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1126381, 2252762, 4505524, 5631905, 9011048, 11263810, 18022096, 22527620, 45055240, 90110480]

約数ペア:

[(1, 90110480), (2, 45055240), (4, 22527620), (5, 18022096), (8, 11263810), (10, 9011048), (16, 5631905), (20, 4505524), (40, 2252762), (80, 1126381)]