64009820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457213}}^1$

素因数の和:457229

約数の個数: 24

約数和(自身を含む): 153623904

約数和(自身を除く): 89614084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457213, 914426, 1828852, 2286065, 3200491, 4572130, 6400982, 9144260, 12801964, 16002455, 32004910, 64009820]

約数ペア:

[(1, 64009820), (2, 32004910), (4, 16002455), (5, 12801964), (7, 9144260), (10, 6400982), (14, 4572130), (20, 3200491), (28, 2286065), (35, 1828852), (70, 914426), (140, 457213)]