65698640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117319}}^1$

素因数の和:117339

約数の個数: 40

約数和(自身を含む): 174572160

約数和(自身を除く): 108873520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117319, 234638, 469276, 586595, 821233, 938552, 1173190, 1642466, 1877104, 2346380, 3284932, 4106165, 4692760, 6569864, 8212330, 9385520, 13139728, 16424660, 32849320, 65698640]

約数ペア:

[(1, 65698640), (2, 32849320), (4, 16424660), (5, 13139728), (7, 9385520), (8, 8212330), (10, 6569864), (14, 4692760), (16, 4106165), (20, 3284932), (28, 2346380), (35, 1877104), (40, 1642466), (56, 1173190), (70, 938552), (80, 821233), (112, 586595), (140, 469276), (280, 234638), (560, 117319)]