51759820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{809}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 124649280

約数和(自身を除く): 72889460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 809, 914, 1618, 1828, 2285, 3199, 3236, 4045, 4570, 5663, 6398, 8090, 9140, 11326, 12796, 15995, 16180, 22652, 28315, 31990, 56630, 63980, 113260, 369713, 739426, 1478852, 1848565, 2587991, 3697130, 5175982, 7394260, 10351964, 12939955, 25879910, 51759820]

約数ペア:

[(1, 51759820), (2, 25879910), (4, 12939955), (5, 10351964), (7, 7394260), (10, 5175982), (14, 3697130), (20, 2587991), (28, 1848565), (35, 1478852), (70, 739426), (140, 369713), (457, 113260), (809, 63980), (914, 56630), (1618, 31990), (1828, 28315), (2285, 22652), (3199, 16180), (3236, 15995), (4045, 12796), (4570, 11326), (5663, 9140), (6398, 8090)]