20227578725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 25816633344

約数和(自身を除く): 5589054619

約数列:

[1, 5, 25, 71, 151, 163, 355, 463, 755, 815, 1775, 2315, 3775, 4075, 10721, 11573, 11575, 24613, 32873, 53605, 57865, 69913, 75469, 123065, 164365, 268025, 289325, 349565, 377345, 615325, 821825, 1747523, 1747825, 1886725, 4963823, 5358299, 8737615, 11395819, 24819115, 26791495, 43688075, 56979095, 124095575, 133957475, 284895475, 809103149, 4045515745, 20227578725]

約数ペア:

[(1, 20227578725), (5, 4045515745), (25, 809103149), (71, 284895475), (151, 133957475), (163, 124095575), (355, 56979095), (463, 43688075), (755, 26791495), (815, 24819115), (1775, 11395819), (2315, 8737615), (3775, 5358299), (4075, 4963823), (10721, 1886725), (11573, 1747825), (11575, 1747523), (24613, 821825), (32873, 615325), (53605, 377345), (57865, 349565), (69913, 289325), (75469, 268025), (123065, 164365)]