80572660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{82217}}^1$

素因数の和:82240

約数の個数: 36

約数和(自身を含む): 196829892

約数和(自身を除く): 116257232

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 82217, 164434, 328868, 411085, 575519, 822170, 1151038, 1644340, 2302076, 2877595, 4028633, 5755190, 8057266, 11510380, 16114532, 20143165, 40286330, 80572660]

約数ペア:

[(1, 80572660), (2, 40286330), (4, 20143165), (5, 16114532), (7, 11510380), (10, 8057266), (14, 5755190), (20, 4028633), (28, 2877595), (35, 2302076), (49, 1644340), (70, 1151038), (98, 822170), (140, 575519), (196, 411085), (245, 328868), (490, 164434), (980, 82217)]