8120960

素因数分解:

$2^7\times 5^1\times {\mathrm{12689}}^1$

素因数の和:12708

約数の個数: 32

約数和(自身を含む): 19415700

約数和(自身を除く): 11294740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12689, 25378, 50756, 63445, 101512, 126890, 203024, 253780, 406048, 507560, 812096, 1015120, 1624192, 2030240, 4060480, 8120960]

約数ペア:

[(1, 8120960), (2, 4060480), (4, 2030240), (5, 1624192), (8, 1015120), (10, 812096), (16, 507560), (20, 406048), (32, 253780), (40, 203024), (64, 126890), (80, 101512), (128, 63445), (160, 50756), (320, 25378), (640, 12689)]