38892440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3697}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 87864480

約数和(自身を除く): 48972040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 3697, 5260, 7394, 10520, 14788, 18485, 29576, 36970, 73940, 147880, 972311, 1944622, 3889244, 4861555, 7778488, 9723110, 19446220, 38892440]

約数ペア:

[(1, 38892440), (2, 19446220), (4, 9723110), (5, 7778488), (8, 4861555), (10, 3889244), (20, 1944622), (40, 972311), (263, 147880), (526, 73940), (1052, 36970), (1315, 29576), (2104, 18485), (2630, 14788), (3697, 10520), (5260, 7394)]