80388590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{73751}}^1$

素因数の和:73867

約数の個数: 16

約数和(自身を含む): 146028960

約数和(自身を除く): 65640370

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 73751, 147502, 368755, 737510, 8038859, 16077718, 40194295, 80388590]

約数ペア:

[(1, 80388590), (2, 40194295), (5, 16077718), (10, 8038859), (109, 737510), (218, 368755), (545, 147502), (1090, 73751)]