51940655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 70156800

約数和(自身を除く): 18216145

約数列:

[1, 5, 13, 31, 65, 149, 155, 173, 403, 745, 865, 1937, 2015, 2249, 4619, 5363, 9685, 11245, 23095, 25777, 26815, 60047, 69719, 128885, 300235, 335101, 348595, 799087, 1675505, 3995435, 10388131, 51940655]

約数ペア:

[(1, 51940655), (5, 10388131), (13, 3995435), (31, 1675505), (65, 799087), (149, 348595), (155, 335101), (173, 300235), (403, 128885), (745, 69719), (865, 60047), (1937, 26815), (2015, 25777), (2249, 23095), (4619, 11245), (5363, 9685)]