39144625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 56525040

約数和(自身を除く): 17380415

約数列:

[1, 5, 13, 17, 25, 65, 85, 109, 125, 169, 221, 325, 425, 545, 845, 1105, 1417, 1625, 1853, 2125, 2725, 2873, 4225, 5525, 7085, 9265, 13625, 14365, 18421, 21125, 24089, 27625, 35425, 46325, 71825, 92105, 120445, 177125, 231625, 313157, 359125, 460525, 602225, 1565785, 2302625, 3011125, 7828925, 39144625]

約数ペア:

[(1, 39144625), (5, 7828925), (13, 3011125), (17, 2302625), (25, 1565785), (65, 602225), (85, 460525), (109, 359125), (125, 313157), (169, 231625), (221, 177125), (325, 120445), (425, 92105), (545, 71825), (845, 46325), (1105, 35425), (1417, 27625), (1625, 24089), (1853, 21125), (2125, 18421), (2725, 14365), (2873, 13625), (4225, 9265), (5525, 7085)]