9815140

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1093}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 20676600

約数和(自身を除く): 10861460

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1093, 1796, 2186, 2245, 4372, 4490, 5465, 8980, 10930, 21860, 490757, 981514, 1963028, 2453785, 4907570, 9815140]

約数ペア:

[(1, 9815140), (2, 4907570), (4, 2453785), (5, 1963028), (10, 981514), (20, 490757), (449, 21860), (898, 10930), (1093, 8980), (1796, 5465), (2186, 4490), (2245, 4372)]