2021907560

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{279269}}^1$

素因数の和:279461

約数の個数: 32

約数和(自身を含む): 4574442600

約数和(自身を除く): 2552535040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 279269, 558538, 1117076, 1396345, 2234152, 2792690, 5585380, 11170760, 50547689, 101095378, 202190756, 252738445, 404381512, 505476890, 1010953780, 2021907560]

約数ペア:

[(1, 2021907560), (2, 1010953780), (4, 505476890), (5, 404381512), (8, 252738445), (10, 202190756), (20, 101095378), (40, 50547689), (181, 11170760), (362, 5585380), (724, 2792690), (905, 2234152), (1448, 1396345), (1810, 1117076), (3620, 558538), (7240, 279269)]