83487920

素因数分解:

$2^4\times 5^1\times {\mathrm{1043599}}^1$

素因数の和:1043612

約数の個数: 20

約数和(自身を含む): 194109600

約数和(自身を除く): 110621680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1043599, 2087198, 4174396, 5217995, 8348792, 10435990, 16697584, 20871980, 41743960, 83487920]

約数ペア:

[(1, 83487920), (2, 41743960), (4, 20871980), (5, 16697584), (8, 10435990), (10, 8348792), (16, 5217995), (20, 4174396), (40, 2087198), (80, 1043599)]