55719380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39239}}^1$

素因数の和:39319

約数の個数: 24

約数和(自身を含む): 118661760

約数和(自身を除く): 62942380

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 39239, 78478, 156956, 196195, 392390, 784780, 2785969, 5571938, 11143876, 13929845, 27859690, 55719380]

約数ペア:

[(1, 55719380), (2, 27859690), (4, 13929845), (5, 11143876), (10, 5571938), (20, 2785969), (71, 784780), (142, 392390), (284, 196195), (355, 156956), (710, 78478), (1420, 39239)]