25719920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16921}}^1$

素因数の和:16953

約数の個数: 40

約数和(自身を含む): 62949840

約数和(自身を除く): 37229920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16921, 33842, 67684, 84605, 135368, 169210, 270736, 321499, 338420, 642998, 676840, 1285996, 1353680, 1607495, 2571992, 3214990, 5143984, 6429980, 12859960, 25719920]

約数ペア:

[(1, 25719920), (2, 12859960), (4, 6429980), (5, 5143984), (8, 3214990), (10, 2571992), (16, 1607495), (19, 1353680), (20, 1285996), (38, 676840), (40, 642998), (76, 338420), (80, 321499), (95, 270736), (152, 169210), (190, 135368), (304, 84605), (380, 67684), (760, 33842), (1520, 16921)]