64213850

素因数分解:

$2^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{7879}}^1$

素因数の和:8054

約数の個数: 24

約数和(自身を含む): 120185760

約数和(自身を除く): 55971910

約数列:

[1, 2, 5, 10, 25, 50, 163, 326, 815, 1630, 4075, 7879, 8150, 15758, 39395, 78790, 196975, 393950, 1284277, 2568554, 6421385, 12842770, 32106925, 64213850]

約数ペア:

[(1, 64213850), (2, 32106925), (5, 12842770), (10, 6421385), (25, 2568554), (50, 1284277), (163, 393950), (326, 196975), (815, 78790), (1630, 39395), (4075, 15758), (7879, 8150)]