80848490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{90841}}^1$

素因数の和:90937

約数の個数: 16

約数和(自身を含む): 147164040

約数和(自身を除く): 66315550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 90841, 181682, 454205, 908410, 8084849, 16169698, 40424245, 80848490]

約数ペア:

[(1, 80848490), (2, 40424245), (5, 16169698), (10, 8084849), (89, 908410), (178, 454205), (445, 181682), (890, 90841)]