25485805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 8479763

約数列:

[1, 5, 17, 41, 71, 85, 103, 205, 355, 515, 697, 1207, 1751, 2911, 3485, 4223, 6035, 7313, 8755, 14555, 21115, 36565, 49487, 71791, 124321, 247435, 299833, 358955, 621605, 1499165, 5097161, 25485805]

約数ペア:

[(1, 25485805), (5, 5097161), (17, 1499165), (41, 621605), (71, 358955), (85, 299833), (103, 247435), (205, 124321), (355, 71791), (515, 49487), (697, 36565), (1207, 21115), (1751, 14555), (2911, 8755), (3485, 7313), (4223, 6035)]