38269820

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4919}}^1$

素因数の和:5317

約数の個数: 24

約数和(自身を含む): 80589600

約数和(自身を除く): 42319780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 4919, 7780, 9838, 19676, 24595, 49190, 98380, 1913491, 3826982, 7653964, 9567455, 19134910, 38269820]

約数ペア:

[(1, 38269820), (2, 19134910), (4, 9567455), (5, 7653964), (10, 3826982), (20, 1913491), (389, 98380), (778, 49190), (1556, 24595), (1945, 19676), (3890, 9838), (4919, 7780)]