139440920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{27449}}^1$

素因数の和:27587

約数の個数: 32

約数和(自身を含む): 316224000

約数和(自身を除く): 176783080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 27449, 54898, 109796, 137245, 219592, 274490, 548980, 1097960, 3486023, 6972046, 13944092, 17430115, 27888184, 34860230, 69720460, 139440920]

約数ペア:

[(1, 139440920), (2, 69720460), (4, 34860230), (5, 27888184), (8, 17430115), (10, 13944092), (20, 6972046), (40, 3486023), (127, 1097960), (254, 548980), (508, 274490), (635, 219592), (1016, 137245), (1270, 109796), (2540, 54898), (5080, 27449)]