7940720

素因数分解:

$2^4\times 5^1\times {\mathrm{99259}}^1$

素因数の和:99272

約数の個数: 20

約数和(自身を含む): 18462360

約数和(自身を除く): 10521640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99259, 198518, 397036, 496295, 794072, 992590, 1588144, 1985180, 3970360, 7940720]

約数ペア:

[(1, 7940720), (2, 3970360), (4, 1985180), (5, 1588144), (8, 992590), (10, 794072), (16, 496295), (20, 397036), (40, 198518), (80, 99259)]