4085380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 9737280

約数和(自身を除く): 5651900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 827, 988, 1235, 1654, 2470, 3308, 4135, 4940, 8270, 10751, 15713, 16540, 21502, 31426, 43004, 53755, 62852, 78565, 107510, 157130, 204269, 215020, 314260, 408538, 817076, 1021345, 2042690, 4085380]

約数ペア:

[(1, 4085380), (2, 2042690), (4, 1021345), (5, 817076), (10, 408538), (13, 314260), (19, 215020), (20, 204269), (26, 157130), (38, 107510), (52, 78565), (65, 62852), (76, 53755), (95, 43004), (130, 31426), (190, 21502), (247, 16540), (260, 15713), (380, 10751), (494, 8270), (827, 4940), (988, 4135), (1235, 3308), (1654, 2470)]