42508720

素因数分解:

$2^4\times 5^1\times {\mathrm{531359}}^1$

素因数の和:531372

約数の個数: 20

約数和(自身を含む): 98832960

約数和(自身を除く): 56324240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531359, 1062718, 2125436, 2656795, 4250872, 5313590, 8501744, 10627180, 21254360, 42508720]

約数ペア:

[(1, 42508720), (2, 21254360), (4, 10627180), (5, 8501744), (8, 5313590), (10, 4250872), (16, 2656795), (20, 2125436), (40, 1062718), (80, 531359)]