5548780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 11697840

約数和(自身を除く): 6149060

約数列:

[1, 2, 4, 5, 10, 20, 421, 659, 842, 1318, 1684, 2105, 2636, 3295, 4210, 6590, 8420, 13180, 277439, 554878, 1109756, 1387195, 2774390, 5548780]

約数ペア:

[(1, 5548780), (2, 2774390), (4, 1387195), (5, 1109756), (10, 554878), (20, 277439), (421, 13180), (659, 8420), (842, 6590), (1318, 4210), (1684, 3295), (2105, 2636)]