51271025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 75411840

約数和(自身を除く): 24140815

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 361, 437, 475, 575, 1235, 1495, 1805, 2185, 4693, 5681, 6175, 6859, 7475, 8303, 9025, 10925, 23465, 28405, 34295, 41515, 89167, 107939, 117325, 142025, 157757, 171475, 207575, 445835, 539695, 788785, 2050841, 2229175, 2698475, 3943925, 10254205, 51271025]

約数ペア:

[(1, 51271025), (5, 10254205), (13, 3943925), (19, 2698475), (23, 2229175), (25, 2050841), (65, 788785), (95, 539695), (115, 445835), (247, 207575), (299, 171475), (325, 157757), (361, 142025), (437, 117325), (475, 107939), (575, 89167), (1235, 41515), (1495, 34295), (1805, 28405), (2185, 23465), (4693, 10925), (5681, 9025), (6175, 8303), (6859, 7475)]