1567311280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{39901}}^1$

素因数の和:40405

約数の個数: 40

約数和(自身を含む): 3651511824

約数和(自身を除く): 2084200544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 39901, 79802, 159604, 199505, 319208, 399010, 638416, 798020, 1596040, 3192080, 19591391, 39182782, 78365564, 97956955, 156731128, 195913910, 313462256, 391827820, 783655640, 1567311280]

約数ペア:

[(1, 1567311280), (2, 783655640), (4, 391827820), (5, 313462256), (8, 195913910), (10, 156731128), (16, 97956955), (20, 78365564), (40, 39182782), (80, 19591391), (491, 3192080), (982, 1596040), (1964, 798020), (2455, 638416), (3928, 399010), (4910, 319208), (7856, 199505), (9820, 159604), (19640, 79802), (39280, 39901)]