6485240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{823}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 14683680

約数和(自身を除く): 8198440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 823, 985, 1576, 1646, 1970, 3292, 3940, 4115, 6584, 7880, 8230, 16460, 32920, 162131, 324262, 648524, 810655, 1297048, 1621310, 3242620, 6485240]

約数ペア:

[(1, 6485240), (2, 3242620), (4, 1621310), (5, 1297048), (8, 810655), (10, 648524), (20, 324262), (40, 162131), (197, 32920), (394, 16460), (788, 8230), (823, 7880), (985, 6584), (1576, 4115), (1646, 3940), (1970, 3292)]