90307780

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{16069}}^1$

素因数の和:16359

約数の個数: 24

約数和(自身を含む): 190333080

約数和(自身を除く): 100025300

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 16069, 32138, 64276, 80345, 160690, 321380, 4515389, 9030778, 18061556, 22576945, 45153890, 90307780]

約数ペア:

[(1, 90307780), (2, 45153890), (4, 22576945), (5, 18061556), (10, 9030778), (20, 4515389), (281, 321380), (562, 160690), (1124, 80345), (1405, 64276), (2810, 32138), (5620, 16069)]