138154040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{65167}}^1$

素因数の和:65231

約数の個数: 32

約数和(自身を含む): 316716480

約数和(自身を除く): 178562440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 65167, 130334, 260668, 325835, 521336, 651670, 1303340, 2606680, 3453851, 6907702, 13815404, 17269255, 27630808, 34538510, 69077020, 138154040]

約数ペア:

[(1, 138154040), (2, 69077020), (4, 34538510), (5, 27630808), (8, 17269255), (10, 13815404), (20, 6907702), (40, 3453851), (53, 2606680), (106, 1303340), (212, 651670), (265, 521336), (424, 325835), (530, 260668), (1060, 130334), (2120, 65167)]