6719920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4453

約数の個数: 40

約数和(自身を含む): 16449840

約数和(自身を除く): 9729920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 4421, 8842, 17684, 22105, 35368, 44210, 70736, 83999, 88420, 167998, 176840, 335996, 353680, 419995, 671992, 839990, 1343984, 1679980, 3359960, 6719920]

約数ペア:

[(1, 6719920), (2, 3359960), (4, 1679980), (5, 1343984), (8, 839990), (10, 671992), (16, 419995), (19, 353680), (20, 335996), (38, 176840), (40, 167998), (76, 88420), (80, 83999), (95, 70736), (152, 44210), (190, 35368), (304, 22105), (380, 17684), (760, 8842), (1520, 4421)]