15897320

素因数分解:

$2^3\times 5^1\times {\mathrm{397433}}^1$

素因数の和:397444

約数の個数: 16

約数和(自身を含む): 35769060

約数和(自身を除く): 19871740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397433, 794866, 1589732, 1987165, 3179464, 3974330, 7948660, 15897320]

約数ペア:

[(1, 15897320), (2, 7948660), (4, 3974330), (5, 3179464), (8, 1987165), (10, 1589732), (20, 794866), (40, 397433)]