3869080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 8767440

約数和(自身を除く): 4898360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 491, 788, 982, 985, 1576, 1964, 1970, 2455, 3928, 3940, 4910, 7880, 9820, 19640, 96727, 193454, 386908, 483635, 773816, 967270, 1934540, 3869080]

約数ペア:

[(1, 3869080), (2, 1934540), (4, 967270), (5, 773816), (8, 483635), (10, 386908), (20, 193454), (40, 96727), (197, 19640), (394, 9820), (491, 7880), (788, 4910), (982, 3940), (985, 3928), (1576, 2455), (1964, 1970)]