7857280

素因数分解:

$2^7\times 5^1\times {\mathrm{12277}}^1$

素因数の和:12296

約数の個数: 32

約数和(自身を含む): 18785340

約数和(自身を除く): 10928060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12277, 24554, 49108, 61385, 98216, 122770, 196432, 245540, 392864, 491080, 785728, 982160, 1571456, 1964320, 3928640, 7857280]

約数ペア:

[(1, 7857280), (2, 3928640), (4, 1964320), (5, 1571456), (8, 982160), (10, 785728), (16, 491080), (20, 392864), (32, 245540), (40, 196432), (64, 122770), (80, 98216), (128, 61385), (160, 49108), (320, 24554), (640, 12277)]