7940193280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{1550819}}^1$

素因数の和:1550844

約数の個数: 44

約数和(自身を含む): 19047171240

約数和(自身を除く): 11106977960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 1550819, 3101638, 6203276, 7754095, 12406552, 15508190, 24813104, 31016380, 49626208, 62032760, 99252416, 124065520, 198504832, 248131040, 397009664, 496262080, 794019328, 992524160, 1588038656, 1985048320, 3970096640, 7940193280]

約数ペア:

[(1, 7940193280), (2, 3970096640), (4, 1985048320), (5, 1588038656), (8, 992524160), (10, 794019328), (16, 496262080), (20, 397009664), (32, 248131040), (40, 198504832), (64, 124065520), (80, 99252416), (128, 62032760), (160, 49626208), (256, 31016380), (320, 24813104), (512, 15508190), (640, 12406552), (1024, 7754095), (1280, 6203276), (2560, 3101638), (5120, 1550819)]