38997160

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1493}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 87936840

約数和(自身を除く): 48939680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 1493, 2612, 2986, 3265, 5224, 5972, 6530, 7465, 11944, 13060, 14930, 26120, 29860, 59720, 974929, 1949858, 3899716, 4874645, 7799432, 9749290, 19498580, 38997160]

約数ペア:

[(1, 38997160), (2, 19498580), (4, 9749290), (5, 7799432), (8, 4874645), (10, 3899716), (20, 1949858), (40, 974929), (653, 59720), (1306, 29860), (1493, 26120), (2612, 14930), (2986, 13060), (3265, 11944), (5224, 7465), (5972, 6530)]