64995940

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{7019}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 136805760

約数和(自身を除く): 71809820

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 7019, 9260, 14038, 28076, 35095, 70190, 140380, 3249797, 6499594, 12999188, 16248985, 32497970, 64995940]

約数ペア:

[(1, 64995940), (2, 32497970), (4, 16248985), (5, 12999188), (10, 6499594), (20, 3249797), (463, 140380), (926, 70190), (1852, 35095), (2315, 28076), (4630, 14038), (7019, 9260)]