25231690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{9973}}^1$

素因数の和:10014

約数の個数: 32

約数和(自身を含む): 51705216

約数和(自身を除く): 26473526

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 9973, 19946, 49865, 99730, 109703, 219406, 229379, 458758, 548515, 1097030, 1146895, 2293790, 2523169, 5046338, 12615845, 25231690]

約数ペア:

[(1, 25231690), (2, 12615845), (5, 5046338), (10, 2523169), (11, 2293790), (22, 1146895), (23, 1097030), (46, 548515), (55, 458758), (110, 229379), (115, 219406), (230, 109703), (253, 99730), (506, 49865), (1265, 19946), (2530, 9973)]