9805780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2141}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 20691720

約数和(自身を除く): 10885940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2141, 2290, 4282, 4580, 8564, 10705, 21410, 42820, 490289, 980578, 1961156, 2451445, 4902890, 9805780]

約数ペア:

[(1, 9805780), (2, 4902890), (4, 2451445), (5, 1961156), (10, 980578), (20, 490289), (229, 42820), (458, 21410), (916, 10705), (1145, 8564), (2141, 4580), (2290, 4282)]