168078140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{83207}}^1$

素因数の和:83317

約数の個数: 24

約数和(自身を含む): 356463072

約数和(自身を除く): 188384932

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 83207, 166414, 332828, 416035, 832070, 1664140, 8403907, 16807814, 33615628, 42019535, 84039070, 168078140]

約数ペア:

[(1, 168078140), (2, 84039070), (4, 42019535), (5, 33615628), (10, 16807814), (20, 8403907), (101, 1664140), (202, 832070), (404, 416035), (505, 332828), (1010, 166414), (2020, 83207)]