138681080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{34327}}^1$

素因数の和:34439

約数の個数: 32

約数和(自身を含む): 315131040

約数和(自身を除く): 176449960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 34327, 68654, 137308, 171635, 274616, 343270, 686540, 1373080, 3467027, 6934054, 13868108, 17335135, 27736216, 34670270, 69340540, 138681080]

約数ペア:

[(1, 138681080), (2, 69340540), (4, 34670270), (5, 27736216), (8, 17335135), (10, 13868108), (20, 6934054), (40, 3467027), (101, 1373080), (202, 686540), (404, 343270), (505, 274616), (808, 171635), (1010, 137308), (2020, 68654), (4040, 34327)]