138097040

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2693}}^1$

素因数の和:3347

約数の個数: 40

約数和(自身を含む): 321695928

約数和(自身を除く): 183598888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 2693, 3205, 5128, 5386, 6410, 10256, 10772, 12820, 13465, 21544, 25640, 26930, 43088, 51280, 53860, 107720, 215440, 1726213, 3452426, 6904852, 8631065, 13809704, 17262130, 27619408, 34524260, 69048520, 138097040]

約数ペア:

[(1, 138097040), (2, 69048520), (4, 34524260), (5, 27619408), (8, 17262130), (10, 13809704), (16, 8631065), (20, 6904852), (40, 3452426), (80, 1726213), (641, 215440), (1282, 107720), (2564, 53860), (2693, 51280), (3205, 43088), (5128, 26930), (5386, 25640), (6410, 21544), (10256, 13465), (10772, 12820)]