40180478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 68880000

約数和(自身を除く): 28699522

約数列:

[1, 2, 13, 19, 26, 38, 163, 247, 326, 494, 499, 998, 2119, 3097, 4238, 6194, 6487, 9481, 12974, 18962, 40261, 80522, 81337, 123253, 162674, 246506, 1057381, 1545403, 2114762, 3090806, 20090239, 40180478]

約数ペア:

[(1, 40180478), (2, 20090239), (13, 3090806), (19, 2114762), (26, 1545403), (38, 1057381), (163, 246506), (247, 162674), (326, 123253), (494, 81337), (499, 80522), (998, 40261), (2119, 18962), (3097, 12974), (4238, 9481), (6194, 6487)]