138369040

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{13619}}^1$

素因数の和:13759

約数の個数: 40

約数和(自身を含む): 324264960

約数和(自身を除く): 185895920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 13619, 27238, 54476, 68095, 108952, 136190, 217904, 272380, 544760, 1089520, 1729613, 3459226, 6918452, 8648065, 13836904, 17296130, 27673808, 34592260, 69184520, 138369040]

約数ペア:

[(1, 138369040), (2, 69184520), (4, 34592260), (5, 27673808), (8, 17296130), (10, 13836904), (16, 8648065), (20, 6918452), (40, 3459226), (80, 1729613), (127, 1089520), (254, 544760), (508, 272380), (635, 217904), (1016, 136190), (1270, 108952), (2032, 68095), (2540, 54476), (5080, 27238), (10160, 13619)]