55111025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 77137920

約数和(自身を除く): 22026895

約数列:

[1, 5, 17, 25, 31, 47, 85, 89, 155, 235, 425, 445, 527, 775, 799, 1175, 1457, 1513, 2225, 2635, 2759, 3995, 4183, 7285, 7565, 13175, 13795, 19975, 20915, 24769, 36425, 37825, 46903, 68975, 71111, 104575, 123845, 129673, 234515, 355555, 619225, 648365, 1172575, 1777775, 2204441, 3241825, 11022205, 55111025]

約数ペア:

[(1, 55111025), (5, 11022205), (17, 3241825), (25, 2204441), (31, 1777775), (47, 1172575), (85, 648365), (89, 619225), (155, 355555), (235, 234515), (425, 129673), (445, 123845), (527, 104575), (775, 71111), (799, 68975), (1175, 46903), (1457, 37825), (1513, 36425), (2225, 24769), (2635, 20915), (2759, 19975), (3995, 13795), (4183, 13175), (7285, 7565)]