2048920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 4651920

約数和(自身を除く): 2603000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 283, 362, 566, 724, 905, 1132, 1415, 1448, 1810, 2264, 2830, 3620, 5660, 7240, 11320, 51223, 102446, 204892, 256115, 409784, 512230, 1024460, 2048920]

約数ペア:

[(1, 2048920), (2, 1024460), (4, 512230), (5, 409784), (8, 256115), (10, 204892), (20, 102446), (40, 51223), (181, 11320), (283, 7240), (362, 5660), (566, 3620), (724, 2830), (905, 2264), (1132, 1810), (1415, 1448)]