8206720

素因数分解:

$2^7\times 5^1\times {\mathrm{12823}}^1$

素因数の和:12842

約数の個数: 32

約数和(自身を含む): 19620720

約数和(自身を除く): 11414000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12823, 25646, 51292, 64115, 102584, 128230, 205168, 256460, 410336, 512920, 820672, 1025840, 1641344, 2051680, 4103360, 8206720]

約数ペア:

[(1, 8206720), (2, 4103360), (4, 2051680), (5, 1641344), (8, 1025840), (10, 820672), (16, 512920), (20, 410336), (32, 256460), (40, 205168), (64, 128230), (80, 102584), (128, 64115), (160, 51292), (320, 25646), (640, 12823)]