80639824

素因数分解:

$2^4\times {\mathrm{2239}}^1\times {\mathrm{2251}}^1$

素因数の和:4498

約数の個数: 20

約数和(自身を含む): 156378880

約数和(自身を除く): 75739056

約数列:

[1, 2, 4, 8, 16, 2239, 2251, 4478, 4502, 8956, 9004, 17912, 18008, 35824, 36016, 5039989, 10079978, 20159956, 40319912, 80639824]

約数ペア:

[(1, 80639824), (2, 40319912), (4, 20159956), (8, 10079978), (16, 5039989), (2239, 36016), (2251, 35824), (4478, 18008), (4502, 17912), (8956, 9004)]