26280040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 62928000

約数和(自身を除く): 36647960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 229, 302, 380, 458, 604, 755, 760, 916, 1145, 1208, 1510, 1832, 2290, 2869, 3020, 4351, 4580, 5738, 6040, 8702, 9160, 11476, 14345, 17404, 21755, 22952, 28690, 34579, 34808, 43510, 57380, 69158, 87020, 114760, 138316, 172895, 174040, 276632, 345790, 657001, 691580, 1314002, 1383160, 2628004, 3285005, 5256008, 6570010, 13140020, 26280040]

約数ペア:

[(1, 26280040), (2, 13140020), (4, 6570010), (5, 5256008), (8, 3285005), (10, 2628004), (19, 1383160), (20, 1314002), (38, 691580), (40, 657001), (76, 345790), (95, 276632), (151, 174040), (152, 172895), (190, 138316), (229, 114760), (302, 87020), (380, 69158), (458, 57380), (604, 43510), (755, 34808), (760, 34579), (916, 28690), (1145, 22952), (1208, 21755), (1510, 17404), (1832, 14345), (2290, 11476), (2869, 9160), (3020, 8702), (4351, 6040), (4580, 5738)]