25206280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57287}}^1$

素因数の和:57309

約数の個数: 32

約数和(自身を含む): 61871040

約数和(自身を除く): 36664760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57287, 114574, 229148, 286435, 458296, 572870, 630157, 1145740, 1260314, 2291480, 2520628, 3150785, 5041256, 6301570, 12603140, 25206280]

約数ペア:

[(1, 25206280), (2, 12603140), (4, 6301570), (5, 5041256), (8, 3150785), (10, 2520628), (11, 2291480), (20, 1260314), (22, 1145740), (40, 630157), (44, 572870), (55, 458296), (88, 286435), (110, 229148), (220, 114574), (440, 57287)]