11457640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2953}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 26054280

約数和(自身を除く): 14596640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2953, 3880, 5906, 11812, 14765, 23624, 29530, 59060, 118120, 286441, 572882, 1145764, 1432205, 2291528, 2864410, 5728820, 11457640]

約数ペア:

[(1, 11457640), (2, 5728820), (4, 2864410), (5, 2291528), (8, 1432205), (10, 1145764), (20, 572882), (40, 286441), (97, 118120), (194, 59060), (388, 29530), (485, 23624), (776, 14765), (970, 11812), (1940, 5906), (2953, 3880)]