2134393640

素因数分解:

$2^3\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{29927}}^1$

素因数の和:31721

約数の個数: 32

約数和(自身を含む): 4805239680

約数和(自身を除く): 2670846040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1783, 3566, 7132, 8915, 14264, 17830, 29927, 35660, 59854, 71320, 119708, 149635, 239416, 299270, 598540, 1197080, 53359841, 106719682, 213439364, 266799205, 426878728, 533598410, 1067196820, 2134393640]

約数ペア:

[(1, 2134393640), (2, 1067196820), (4, 533598410), (5, 426878728), (8, 266799205), (10, 213439364), (20, 106719682), (40, 53359841), (1783, 1197080), (3566, 598540), (7132, 299270), (8915, 239416), (14264, 149635), (17830, 119708), (29927, 71320), (35660, 59854)]