26789380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 31271420

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 127, 199, 212, 254, 265, 398, 508, 530, 635, 796, 995, 1060, 1270, 1990, 2540, 3980, 6731, 10547, 13462, 21094, 25273, 26924, 33655, 42188, 50546, 52735, 67310, 101092, 105470, 126365, 134620, 210940, 252730, 505460, 1339469, 2678938, 5357876, 6697345, 13394690, 26789380]

約数ペア:

[(1, 26789380), (2, 13394690), (4, 6697345), (5, 5357876), (10, 2678938), (20, 1339469), (53, 505460), (106, 252730), (127, 210940), (199, 134620), (212, 126365), (254, 105470), (265, 101092), (398, 67310), (508, 52735), (530, 50546), (635, 42188), (796, 33655), (995, 26924), (1060, 25273), (1270, 21094), (1990, 13462), (2540, 10547), (3980, 6731)]