11600720

素因数分解:

$2^4\times 5^1\times {\mathrm{145009}}^1$

素因数の和:145022

約数の個数: 20

約数和(自身を含む): 26971860

約数和(自身を除く): 15371140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145009, 290018, 580036, 725045, 1160072, 1450090, 2320144, 2900180, 5800360, 11600720]

約数ペア:

[(1, 11600720), (2, 5800360), (4, 2900180), (5, 2320144), (8, 1450090), (10, 1160072), (16, 725045), (20, 580036), (40, 290018), (80, 145009)]