38994890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15413}}^1$

素因数の和:15454

約数の個数: 32

約数和(自身を含む): 79906176

約数和(自身を除く): 40911286

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15413, 30826, 77065, 154130, 169543, 339086, 354499, 708998, 847715, 1695430, 1772495, 3544990, 3899489, 7798978, 19497445, 38994890]

約数ペア:

[(1, 38994890), (2, 19497445), (5, 7798978), (10, 3899489), (11, 3544990), (22, 1772495), (23, 1695430), (46, 847715), (55, 708998), (110, 354499), (115, 339086), (230, 169543), (253, 154130), (506, 77065), (1265, 30826), (2530, 15413)]