25902590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 55880064

約数和(自身を除く): 29977474

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 73, 74, 137, 146, 185, 259, 274, 365, 370, 511, 518, 685, 730, 959, 1022, 1295, 1370, 1918, 2555, 2590, 2701, 4795, 5069, 5110, 5402, 9590, 10001, 10138, 13505, 18907, 20002, 25345, 27010, 35483, 37814, 50005, 50690, 70007, 70966, 94535, 100010, 140014, 177415, 189070, 350035, 354830, 370037, 700070, 740074, 1850185, 2590259, 3700370, 5180518, 12951295, 25902590]

約数ペア:

[(1, 25902590), (2, 12951295), (5, 5180518), (7, 3700370), (10, 2590259), (14, 1850185), (35, 740074), (37, 700070), (70, 370037), (73, 354830), (74, 350035), (137, 189070), (146, 177415), (185, 140014), (259, 100010), (274, 94535), (365, 70966), (370, 70007), (511, 50690), (518, 50005), (685, 37814), (730, 35483), (959, 27010), (1022, 25345), (1295, 20002), (1370, 18907), (1918, 13505), (2555, 10138), (2590, 10001), (2701, 9590), (4795, 5402), (5069, 5110)]