139019120

素因数分解:

$2^4\times 5^1\times {\mathrm{1737739}}^1$

素因数の和:1737752

約数の個数: 20

約数和(自身を含む): 323219640

約数和(自身を除く): 184200520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1737739, 3475478, 6950956, 8688695, 13901912, 17377390, 27803824, 34754780, 69509560, 139019120]

約数ペア:

[(1, 139019120), (2, 69509560), (4, 34754780), (5, 27803824), (8, 17377390), (10, 13901912), (16, 8688695), (20, 6950956), (40, 3475478), (80, 1737739)]