55720145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 78423552

約数和(自身を除く): 22703407

約数列:

[1, 5, 13, 23, 47, 61, 65, 115, 169, 235, 299, 305, 611, 793, 845, 1081, 1403, 1495, 2867, 3055, 3887, 3965, 5405, 7015, 7943, 10309, 14053, 14335, 18239, 19435, 37271, 39715, 51545, 65941, 70265, 91195, 182689, 186355, 237107, 329705, 484523, 857233, 913445, 1185535, 2422615, 4286165, 11144029, 55720145]

約数ペア:

[(1, 55720145), (5, 11144029), (13, 4286165), (23, 2422615), (47, 1185535), (61, 913445), (65, 857233), (115, 484523), (169, 329705), (235, 237107), (299, 186355), (305, 182689), (611, 91195), (793, 70265), (845, 65941), (1081, 51545), (1403, 39715), (1495, 37271), (2867, 19435), (3055, 18239), (3887, 14335), (3965, 14053), (5405, 10309), (7015, 7943)]