65872660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67217}}^1$

素因数の和:67240

約数の個数: 36

約数和(自身を含む): 160919892

約数和(自身を除く): 95047232

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67217, 134434, 268868, 336085, 470519, 672170, 941038, 1344340, 1882076, 2352595, 3293633, 4705190, 6587266, 9410380, 13174532, 16468165, 32936330, 65872660]

約数ペア:

[(1, 65872660), (2, 32936330), (4, 16468165), (5, 13174532), (7, 9410380), (10, 6587266), (14, 4705190), (20, 3293633), (28, 2352595), (35, 1882076), (49, 1344340), (70, 941038), (98, 672170), (140, 470519), (196, 336085), (245, 268868), (490, 134434), (980, 67217)]