26380720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 64683360

約数和(自身を除く): 38302640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 83, 116, 137, 145, 166, 232, 274, 290, 332, 415, 464, 548, 580, 664, 685, 830, 1096, 1160, 1328, 1370, 1660, 2192, 2320, 2407, 2740, 3320, 3973, 4814, 5480, 6640, 7946, 9628, 10960, 11371, 12035, 15892, 19256, 19865, 22742, 24070, 31784, 38512, 39730, 45484, 48140, 56855, 63568, 79460, 90968, 96280, 113710, 158920, 181936, 192560, 227420, 317840, 329759, 454840, 659518, 909680, 1319036, 1648795, 2638072, 3297590, 5276144, 6595180, 13190360, 26380720]

約数ペア:

[(1, 26380720), (2, 13190360), (4, 6595180), (5, 5276144), (8, 3297590), (10, 2638072), (16, 1648795), (20, 1319036), (29, 909680), (40, 659518), (58, 454840), (80, 329759), (83, 317840), (116, 227420), (137, 192560), (145, 181936), (166, 158920), (232, 113710), (274, 96280), (290, 90968), (332, 79460), (415, 63568), (464, 56855), (548, 48140), (580, 45484), (664, 39730), (685, 38512), (830, 31784), (1096, 24070), (1160, 22742), (1328, 19865), (1370, 19256), (1660, 15892), (2192, 12035), (2320, 11371), (2407, 10960), (2740, 9628), (3320, 7946), (3973, 6640), (4814, 5480)]