194194640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{30727}}^1$

素因数の和:30819

約数の個数: 40

約数和(自身を含む): 457232640

約数和(自身を除く): 263038000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 30727, 61454, 122908, 153635, 245816, 307270, 491632, 614540, 1229080, 2427433, 2458160, 4854866, 9709732, 12137165, 19419464, 24274330, 38838928, 48548660, 97097320, 194194640]

約数ペア:

[(1, 194194640), (2, 97097320), (4, 48548660), (5, 38838928), (8, 24274330), (10, 19419464), (16, 12137165), (20, 9709732), (40, 4854866), (79, 2458160), (80, 2427433), (158, 1229080), (316, 614540), (395, 491632), (632, 307270), (790, 245816), (1264, 153635), (1580, 122908), (3160, 61454), (6320, 30727)]