65504180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66841}}^1$

素因数の和:66864

約数の個数: 36

約数和(自身を含む): 160019748

約数和(自身を除く): 94515568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66841, 133682, 267364, 334205, 467887, 668410, 935774, 1336820, 1871548, 2339435, 3275209, 4678870, 6550418, 9357740, 13100836, 16376045, 32752090, 65504180]

約数ペア:

[(1, 65504180), (2, 32752090), (4, 16376045), (5, 13100836), (7, 9357740), (10, 6550418), (14, 4678870), (20, 3275209), (28, 2339435), (35, 1871548), (49, 1336820), (70, 935774), (98, 668410), (140, 467887), (196, 334205), (245, 267364), (490, 133682), (980, 66841)]