138519168520

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1657}}^1\times {\mathrm{2521}}^1$

素因数の和:5018

約数の個数: 64

約数和(自身を含む): 312356257200

約数和(自身を除く): 173837088680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1657, 1658, 2521, 3314, 3316, 4145, 5042, 6628, 6632, 8285, 8290, 10084, 12605, 13256, 16570, 16580, 20168, 25210, 33140, 33160, 50420, 66280, 100840, 1373653, 2089909, 2747306, 4177297, 4179818, 5494612, 6868265, 8354594, 8359636, 10449545, 10989224, 13736530, 16709188, 16719272, 20886485, 20899090, 27473060, 33418376, 41772970, 41798180, 54946120, 83545940, 83596360, 167091880, 3462979213, 6925958426, 13851916852, 17314896065, 27703833704, 34629792130, 69259584260, 138519168520]

約数ペア:

[(1, 138519168520), (2, 69259584260), (4, 34629792130), (5, 27703833704), (8, 17314896065), (10, 13851916852), (20, 6925958426), (40, 3462979213), (829, 167091880), (1657, 83596360), (1658, 83545940), (2521, 54946120), (3314, 41798180), (3316, 41772970), (4145, 33418376), (5042, 27473060), (6628, 20899090), (6632, 20886485), (8285, 16719272), (8290, 16709188), (10084, 13736530), (12605, 10989224), (13256, 10449545), (16570, 8359636), (16580, 8354594), (20168, 6868265), (25210, 5494612), (33140, 4179818), (33160, 4177297), (50420, 2747306), (66280, 2089909), (100840, 1373653)]