16400380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 36396864

約数和(自身を除く): 19996484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 353, 404, 460, 505, 706, 1010, 1412, 1765, 2020, 2323, 3530, 4646, 7060, 8119, 9292, 11615, 16238, 23230, 32476, 35653, 40595, 46460, 71306, 81190, 142612, 162380, 178265, 356530, 713060, 820019, 1640038, 3280076, 4100095, 8200190, 16400380]

約数ペア:

[(1, 16400380), (2, 8200190), (4, 4100095), (5, 3280076), (10, 1640038), (20, 820019), (23, 713060), (46, 356530), (92, 178265), (101, 162380), (115, 142612), (202, 81190), (230, 71306), (353, 46460), (404, 40595), (460, 35653), (505, 32476), (706, 23230), (1010, 16238), (1412, 11615), (1765, 9292), (2020, 8119), (2323, 7060), (3530, 4646)]