64556660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461119}}^1$

素因数の和:461135

約数の個数: 24

約数和(自身を含む): 154936320

約数和(自身を除く): 90379660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461119, 922238, 1844476, 2305595, 3227833, 4611190, 6455666, 9222380, 12911332, 16139165, 32278330, 64556660]

約数ペア:

[(1, 64556660), (2, 32278330), (4, 16139165), (5, 12911332), (7, 9222380), (10, 6455666), (14, 4611190), (20, 3227833), (28, 2305595), (35, 1844476), (70, 922238), (140, 461119)]