90903856

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{80021}}^1$

素因数の和:80100

約数の個数: 20

約数和(自身を含む): 178609104

約数和(自身を除く): 87705248

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 80021, 160042, 320084, 640168, 1280336, 5681491, 11362982, 22725964, 45451928, 90903856]

約数ペア:

[(1, 90903856), (2, 45451928), (4, 22725964), (8, 11362982), (16, 5681491), (71, 1280336), (142, 640168), (284, 320084), (568, 160042), (1136, 80021)]