90258160

素因数分解:

$2^4\times 5^1\times {\mathrm{1128227}}^1$

素因数の和:1128240

約数の個数: 20

約数和(自身を含む): 209850408

約数和(自身を除く): 119592248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1128227, 2256454, 4512908, 5641135, 9025816, 11282270, 18051632, 22564540, 45129080, 90258160]

約数ペア:

[(1, 90258160), (2, 45129080), (4, 22564540), (5, 18051632), (8, 11282270), (10, 9025816), (16, 5641135), (20, 4512908), (40, 2256454), (80, 1128227)]