8485760

素因数分解:

$2^7\times 5^1\times {\mathrm{13259}}^1$

素因数の和:13278

約数の個数: 32

約数和(自身を含む): 20287800

約数和(自身を除く): 11802040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 13259, 26518, 53036, 66295, 106072, 132590, 212144, 265180, 424288, 530360, 848576, 1060720, 1697152, 2121440, 4242880, 8485760]

約数ペア:

[(1, 8485760), (2, 4242880), (4, 2121440), (5, 1697152), (8, 1060720), (10, 848576), (16, 530360), (20, 424288), (32, 265180), (40, 212144), (64, 132590), (80, 106072), (128, 66295), (160, 53036), (320, 26518), (640, 13259)]