25127020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 56282688

約数和(自身を除く): 31155668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 281, 340, 526, 562, 1052, 1124, 1315, 1405, 2630, 2810, 4471, 4777, 5260, 5620, 8942, 9554, 17884, 19108, 22355, 23885, 44710, 47770, 73903, 89420, 95540, 147806, 295612, 369515, 739030, 1256351, 1478060, 2512702, 5025404, 6281755, 12563510, 25127020]

約数ペア:

[(1, 25127020), (2, 12563510), (4, 6281755), (5, 5025404), (10, 2512702), (17, 1478060), (20, 1256351), (34, 739030), (68, 369515), (85, 295612), (170, 147806), (263, 95540), (281, 89420), (340, 73903), (526, 47770), (562, 44710), (1052, 23885), (1124, 22355), (1315, 19108), (1405, 17884), (2630, 9554), (2810, 8942), (4471, 5620), (4777, 5260)]