80905130

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{21347}}^1$

素因数の和:21733

約数の個数: 16

約数和(自身を含む): 146020320

約数和(自身を除く): 65115190

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 21347, 42694, 106735, 213470, 8090513, 16181026, 40452565, 80905130]

約数ペア:

[(1, 80905130), (2, 40452565), (5, 16181026), (10, 8090513), (379, 213470), (758, 106735), (1895, 42694), (3790, 21347)]