38388440

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1723}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 86579280

約数和(自身を除く): 48190840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1723, 2228, 2785, 3446, 4456, 5570, 6892, 8615, 11140, 13784, 17230, 22280, 34460, 68920, 959711, 1919422, 3838844, 4798555, 7677688, 9597110, 19194220, 38388440]

約数ペア:

[(1, 38388440), (2, 19194220), (4, 9597110), (5, 7677688), (8, 4798555), (10, 3838844), (20, 1919422), (40, 959711), (557, 68920), (1114, 34460), (1723, 22280), (2228, 17230), (2785, 13784), (3446, 11140), (4456, 8615), (5570, 6892)]