66953680

素因数分解:

$2^4\times 5^1\times {\mathrm{836921}}^1$

素因数の和:836934

約数の個数: 20

約数和(自身を含む): 155667492

約数和(自身を除く): 88713812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 836921, 1673842, 3347684, 4184605, 6695368, 8369210, 13390736, 16738420, 33476840, 66953680]

約数ペア:

[(1, 66953680), (2, 33476840), (4, 16738420), (5, 13390736), (8, 8369210), (10, 6695368), (16, 4184605), (20, 3347684), (40, 1673842), (80, 836921)]