80017552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{217439}}^1$

素因数の和:217470

約数の個数: 20

約数和(自身を含む): 161775360

約数和(自身を除く): 81757808

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 217439, 434878, 869756, 1739512, 3479024, 5001097, 10002194, 20004388, 40008776, 80017552]

約数ペア:

[(1, 80017552), (2, 40008776), (4, 20004388), (8, 10002194), (16, 5001097), (23, 3479024), (46, 1739512), (92, 869756), (184, 434878), (368, 217439)]