26690690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 28467070

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 179, 185, 310, 358, 370, 403, 481, 806, 895, 962, 1147, 1790, 2015, 2294, 2327, 2405, 4030, 4654, 4810, 5549, 5735, 6623, 11098, 11470, 11635, 13246, 14911, 23270, 27745, 29822, 33115, 55490, 66230, 72137, 74555, 86099, 144274, 149110, 172198, 205313, 360685, 410626, 430495, 721370, 860990, 1026565, 2053130, 2669069, 5338138, 13345345, 26690690]

約数ペア:

[(1, 26690690), (2, 13345345), (5, 5338138), (10, 2669069), (13, 2053130), (26, 1026565), (31, 860990), (37, 721370), (62, 430495), (65, 410626), (74, 360685), (130, 205313), (155, 172198), (179, 149110), (185, 144274), (310, 86099), (358, 74555), (370, 72137), (403, 66230), (481, 55490), (806, 33115), (895, 29822), (962, 27745), (1147, 23270), (1790, 14911), (2015, 13246), (2294, 11635), (2327, 11470), (2405, 11098), (4030, 6623), (4654, 5735), (4810, 5549)]