80380490

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{28403}}^1$

素因数の和:28693

約数の個数: 16

約数和(自身を含む): 145201248

約数和(自身を除く): 64820758

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 28403, 56806, 142015, 284030, 8038049, 16076098, 40190245, 80380490]

約数ペア:

[(1, 80380490), (2, 40190245), (5, 16076098), (10, 8038049), (283, 284030), (566, 142015), (1415, 56806), (2830, 28403)]