1394418640

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{15889}}^1$

素因数の和:16999

約数の個数: 40

約数和(自身を含む): 3245182920

約数和(自身を除く): 1850764280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2194, 4388, 5485, 8776, 10970, 15889, 17552, 21940, 31778, 43880, 63556, 79445, 87760, 127112, 158890, 254224, 317780, 635560, 1271120, 17430233, 34860466, 69720932, 87151165, 139441864, 174302330, 278883728, 348604660, 697209320, 1394418640]

約数ペア:

[(1, 1394418640), (2, 697209320), (4, 348604660), (5, 278883728), (8, 174302330), (10, 139441864), (16, 87151165), (20, 69720932), (40, 34860466), (80, 17430233), (1097, 1271120), (2194, 635560), (4388, 317780), (5485, 254224), (8776, 158890), (10970, 127112), (15889, 87760), (17552, 79445), (21940, 63556), (31778, 43880)]