856812640

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{55207}}^1$

素因数の和:55319

約数の個数: 48

約数和(自身を含む): 2045125152

約数和(自身を除く): 1188312512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 7760, 15520, 55207, 110414, 220828, 276035, 441656, 552070, 883312, 1104140, 1766624, 2208280, 4416560, 5355079, 8833120, 10710158, 21420316, 26775395, 42840632, 53550790, 85681264, 107101580, 171362528, 214203160, 428406320, 856812640]

約数ペア:

[(1, 856812640), (2, 428406320), (4, 214203160), (5, 171362528), (8, 107101580), (10, 85681264), (16, 53550790), (20, 42840632), (32, 26775395), (40, 21420316), (80, 10710158), (97, 8833120), (160, 5355079), (194, 4416560), (388, 2208280), (485, 1766624), (776, 1104140), (970, 883312), (1552, 552070), (1940, 441656), (3104, 276035), (3880, 220828), (7760, 110414), (15520, 55207)]