25879910

素因数分解:

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

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 53421120

約数和(自身を除く): 27541210

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 809, 914, 1618, 2285, 3199, 4045, 4570, 5663, 6398, 8090, 11326, 15995, 28315, 31990, 56630, 369713, 739426, 1848565, 2587991, 3697130, 5175982, 12939955, 25879910]

約数ペア:

[(1, 25879910), (2, 12939955), (5, 5175982), (7, 3697130), (10, 2587991), (14, 1848565), (35, 739426), (70, 369713), (457, 56630), (809, 31990), (914, 28315), (1618, 15995), (2285, 11326), (3199, 8090), (4045, 6398), (4570, 5663)]