25381850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 53855928

約数和(自身を除く): 28474078

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 2297, 4594, 5525, 11050, 11485, 22970, 29861, 39049, 57425, 59722, 78098, 114850, 149305, 195245, 298610, 390490, 507637, 746525, 976225, 1015274, 1493050, 1952450, 2538185, 5076370, 12690925, 25381850]

約数ペア:

[(1, 25381850), (2, 12690925), (5, 5076370), (10, 2538185), (13, 1952450), (17, 1493050), (25, 1015274), (26, 976225), (34, 746525), (50, 507637), (65, 390490), (85, 298610), (130, 195245), (170, 149305), (221, 114850), (325, 78098), (425, 59722), (442, 57425), (650, 39049), (850, 29861), (1105, 22970), (2210, 11485), (2297, 11050), (4594, 5525)]