12738000640

素因数分解:

$2^8\times 5^1\times {\mathrm{9951563}}^1$

素因数の和:9951584

約数の個数: 36

約数和(自身を含む): 30511495224

約数和(自身を除く): 17773494584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9951563, 19903126, 39806252, 49757815, 79612504, 99515630, 159225008, 199031260, 318450016, 398062520, 636900032, 796125040, 1273800064, 1592250080, 2547600128, 3184500160, 6369000320, 12738000640]

約数ペア:

[(1, 12738000640), (2, 6369000320), (4, 3184500160), (5, 2547600128), (8, 1592250080), (10, 1273800064), (16, 796125040), (20, 636900032), (32, 398062520), (40, 318450016), (64, 199031260), (80, 159225008), (128, 99515630), (160, 79612504), (256, 49757815), (320, 39806252), (640, 19903126), (1280, 9951563)]